[dpdk-dev] [PATCH] net/tap: renamed netlink functions
Radu Nicolau
radu.nicolau at intel.com
Fri Dec 15 12:34:37 CET 2017
Functions like nl_recev and nl_send name clash functions in the
libnl library (https://www.infradead.org/~tgr/libnl/).
All functions declared in tap_netlink.h were decorated with tap_
for consistency.
Signed-off-by: Radu Nicolau <radu.nicolau at intel.com>
---
drivers/net/tap/rte_eth_tap.c | 12 ++--
drivers/net/tap/tap_flow.c | 129 +++++++++++++++++++++---------------------
drivers/net/tap/tap_netlink.c | 41 +++++++-------
drivers/net/tap/tap_netlink.h | 25 ++++----
drivers/net/tap/tap_tcmsgs.c | 28 ++++-----
5 files changed, 120 insertions(+), 115 deletions(-)
diff --git a/drivers/net/tap/rte_eth_tap.c b/drivers/net/tap/rte_eth_tap.c
index 6b27679..a0e223a 100644
--- a/drivers/net/tap/rte_eth_tap.c
+++ b/drivers/net/tap/rte_eth_tap.c
@@ -1123,7 +1123,7 @@ tap_dev_intr_handler(void *cb_arg)
struct rte_eth_dev *dev = cb_arg;
struct pmd_internals *pmd = dev->data->dev_private;
- nl_recv(pmd->intr_handle.fd, tap_nl_msg_handler, dev);
+ tap_nl_recv(pmd->intr_handle.fd, tap_nl_msg_handler, dev);
}
static int
@@ -1134,20 +1134,20 @@ tap_intr_handle_set(struct rte_eth_dev *dev, int set)
/* In any case, disable interrupt if the conf is no longer there. */
if (!dev->data->dev_conf.intr_conf.lsc) {
if (pmd->intr_handle.fd != -1) {
- nl_final(pmd->intr_handle.fd);
+ tap_nl_final(pmd->intr_handle.fd);
rte_intr_callback_unregister(&pmd->intr_handle,
tap_dev_intr_handler, dev);
}
return 0;
}
if (set) {
- pmd->intr_handle.fd = nl_init(RTMGRP_LINK);
+ pmd->intr_handle.fd = tap_nl_init(RTMGRP_LINK);
if (unlikely(pmd->intr_handle.fd == -1))
return -EBADF;
return rte_intr_callback_register(
&pmd->intr_handle, tap_dev_intr_handler, dev);
}
- nl_final(pmd->intr_handle.fd);
+ tap_nl_final(pmd->intr_handle.fd);
return rte_intr_callback_unregister(&pmd->intr_handle,
tap_dev_intr_handler, dev);
}
@@ -1328,7 +1328,7 @@ eth_dev_tap_create(struct rte_vdev_device *vdev, char *tap_name,
* - rte_flow actual/implicit lists
* - implicit rules
*/
- pmd->nlsk_fd = nl_init(0);
+ pmd->nlsk_fd = tap_nl_init(0);
if (pmd->nlsk_fd == -1) {
RTE_LOG(WARNING, PMD, "%s: failed to create netlink socket.\n",
pmd->name);
@@ -1579,7 +1579,7 @@ rte_pmd_tap_remove(struct rte_vdev_device *dev)
if (internals->nlsk_fd) {
tap_flow_flush(eth_dev, NULL);
tap_flow_implicit_flush(internals, NULL);
- nl_final(internals->nlsk_fd);
+ tap_nl_final(internals->nlsk_fd);
}
for (i = 0; i < RTE_PMD_TAP_MAX_QUEUES; i++) {
if (internals->rxq[i].fd != -1) {
diff --git a/drivers/net/tap/tap_flow.c b/drivers/net/tap/tap_flow.c
index ffc0b85..90b2654 100644
--- a/drivers/net/tap/tap_flow.c
+++ b/drivers/net/tap/tap_flow.c
@@ -465,16 +465,16 @@ tap_flow_create_eth(const struct rte_flow_item *item, void *data)
return 0;
msg = &flow->msg;
if (!is_zero_ether_addr(&spec->dst)) {
- nlattr_add(&msg->nh, TCA_FLOWER_KEY_ETH_DST, ETHER_ADDR_LEN,
+ tap_nlattr_add(&msg->nh, TCA_FLOWER_KEY_ETH_DST, ETHER_ADDR_LEN,
&spec->dst.addr_bytes);
- nlattr_add(&msg->nh,
+ tap_nlattr_add(&msg->nh,
TCA_FLOWER_KEY_ETH_DST_MASK, ETHER_ADDR_LEN,
&mask->dst.addr_bytes);
}
if (!is_zero_ether_addr(&mask->src)) {
- nlattr_add(&msg->nh, TCA_FLOWER_KEY_ETH_SRC, ETHER_ADDR_LEN,
+ tap_nlattr_add(&msg->nh, TCA_FLOWER_KEY_ETH_SRC, ETHER_ADDR_LEN,
&spec->src.addr_bytes);
- nlattr_add(&msg->nh,
+ tap_nlattr_add(&msg->nh,
TCA_FLOWER_KEY_ETH_SRC_MASK, ETHER_ADDR_LEN,
&mask->src.addr_bytes);
}
@@ -526,9 +526,11 @@ tap_flow_create_vlan(const struct rte_flow_item *item, void *data)
uint8_t vid = VLAN_ID(tci);
if (prio)
- nlattr_add8(&msg->nh, TCA_FLOWER_KEY_VLAN_PRIO, prio);
+ tap_nlattr_add8(&msg->nh,
+ TCA_FLOWER_KEY_VLAN_PRIO, prio);
if (vid)
- nlattr_add16(&msg->nh, TCA_FLOWER_KEY_VLAN_ID, vid);
+ tap_nlattr_add16(&msg->nh,
+ TCA_FLOWER_KEY_VLAN_ID, vid);
}
return 0;
}
@@ -571,19 +573,19 @@ tap_flow_create_ipv4(const struct rte_flow_item *item, void *data)
if (!spec)
return 0;
if (spec->hdr.dst_addr) {
- nlattr_add32(&msg->nh, TCA_FLOWER_KEY_IPV4_DST,
+ tap_nlattr_add32(&msg->nh, TCA_FLOWER_KEY_IPV4_DST,
spec->hdr.dst_addr);
- nlattr_add32(&msg->nh, TCA_FLOWER_KEY_IPV4_DST_MASK,
+ tap_nlattr_add32(&msg->nh, TCA_FLOWER_KEY_IPV4_DST_MASK,
mask->hdr.dst_addr);
}
if (spec->hdr.src_addr) {
- nlattr_add32(&msg->nh, TCA_FLOWER_KEY_IPV4_SRC,
+ tap_nlattr_add32(&msg->nh, TCA_FLOWER_KEY_IPV4_SRC,
spec->hdr.src_addr);
- nlattr_add32(&msg->nh, TCA_FLOWER_KEY_IPV4_SRC_MASK,
+ tap_nlattr_add32(&msg->nh, TCA_FLOWER_KEY_IPV4_SRC_MASK,
mask->hdr.src_addr);
}
if (spec->hdr.next_proto_id)
- nlattr_add8(&msg->nh, TCA_FLOWER_KEY_IP_PROTO,
+ tap_nlattr_add8(&msg->nh, TCA_FLOWER_KEY_IP_PROTO,
spec->hdr.next_proto_id);
return 0;
}
@@ -627,19 +629,20 @@ tap_flow_create_ipv6(const struct rte_flow_item *item, void *data)
if (!spec)
return 0;
if (memcmp(spec->hdr.dst_addr, empty_addr, 16)) {
- nlattr_add(&msg->nh, TCA_FLOWER_KEY_IPV6_DST,
+ tap_nlattr_add(&msg->nh, TCA_FLOWER_KEY_IPV6_DST,
sizeof(spec->hdr.dst_addr), &spec->hdr.dst_addr);
- nlattr_add(&msg->nh, TCA_FLOWER_KEY_IPV6_DST_MASK,
+ tap_nlattr_add(&msg->nh, TCA_FLOWER_KEY_IPV6_DST_MASK,
sizeof(mask->hdr.dst_addr), &mask->hdr.dst_addr);
}
if (memcmp(spec->hdr.src_addr, empty_addr, 16)) {
- nlattr_add(&msg->nh, TCA_FLOWER_KEY_IPV6_SRC,
+ tap_nlattr_add(&msg->nh, TCA_FLOWER_KEY_IPV6_SRC,
sizeof(spec->hdr.src_addr), &spec->hdr.src_addr);
- nlattr_add(&msg->nh, TCA_FLOWER_KEY_IPV6_SRC_MASK,
+ tap_nlattr_add(&msg->nh, TCA_FLOWER_KEY_IPV6_SRC_MASK,
sizeof(mask->hdr.src_addr), &mask->hdr.src_addr);
}
if (spec->hdr.proto)
- nlattr_add8(&msg->nh, TCA_FLOWER_KEY_IP_PROTO, spec->hdr.proto);
+ tap_nlattr_add8(&msg->nh,
+ TCA_FLOWER_KEY_IP_PROTO, spec->hdr.proto);
return 0;
}
@@ -677,14 +680,14 @@ tap_flow_create_udp(const struct rte_flow_item *item, void *data)
if (!flow)
return 0;
msg = &flow->msg;
- nlattr_add8(&msg->nh, TCA_FLOWER_KEY_IP_PROTO, IPPROTO_UDP);
+ tap_nlattr_add8(&msg->nh, TCA_FLOWER_KEY_IP_PROTO, IPPROTO_UDP);
if (!spec)
return 0;
if (spec->hdr.dst_port & mask->hdr.dst_port)
- nlattr_add16(&msg->nh, TCA_FLOWER_KEY_UDP_DST,
+ tap_nlattr_add16(&msg->nh, TCA_FLOWER_KEY_UDP_DST,
spec->hdr.dst_port);
if (spec->hdr.src_port & mask->hdr.src_port)
- nlattr_add16(&msg->nh, TCA_FLOWER_KEY_UDP_SRC,
+ tap_nlattr_add16(&msg->nh, TCA_FLOWER_KEY_UDP_SRC,
spec->hdr.src_port);
return 0;
}
@@ -723,14 +726,14 @@ tap_flow_create_tcp(const struct rte_flow_item *item, void *data)
if (!flow)
return 0;
msg = &flow->msg;
- nlattr_add8(&msg->nh, TCA_FLOWER_KEY_IP_PROTO, IPPROTO_TCP);
+ tap_nlattr_add8(&msg->nh, TCA_FLOWER_KEY_IP_PROTO, IPPROTO_TCP);
if (!spec)
return 0;
if (spec->hdr.dst_port & mask->hdr.dst_port)
- nlattr_add16(&msg->nh, TCA_FLOWER_KEY_TCP_DST,
+ tap_nlattr_add16(&msg->nh, TCA_FLOWER_KEY_TCP_DST,
spec->hdr.dst_port);
if (spec->hdr.src_port & mask->hdr.src_port)
- nlattr_add16(&msg->nh, TCA_FLOWER_KEY_TCP_SRC,
+ tap_nlattr_add16(&msg->nh, TCA_FLOWER_KEY_TCP_SRC,
spec->hdr.src_port);
return 0;
}
@@ -835,17 +838,17 @@ add_action_gact(struct rte_flow *flow, int action)
.action = action
};
- if (nlattr_nested_start(msg, TCA_FLOWER_ACT) < 0)
+ if (tap_nlattr_nested_start(msg, TCA_FLOWER_ACT) < 0)
return -1;
- if (nlattr_nested_start(msg, act_index++) < 0)
+ if (tap_nlattr_nested_start(msg, act_index++) < 0)
return -1;
- nlattr_add(&msg->nh, TCA_ACT_KIND, sizeof("gact"), "gact");
- if (nlattr_nested_start(msg, TCA_ACT_OPTIONS) < 0)
+ tap_nlattr_add(&msg->nh, TCA_ACT_KIND, sizeof("gact"), "gact");
+ if (tap_nlattr_nested_start(msg, TCA_ACT_OPTIONS) < 0)
return -1;
- nlattr_add(&msg->nh, TCA_GACT_PARMS, sizeof(p), &p);
- nlattr_nested_finish(msg); /* nested TCA_ACT_OPTIONS */
- nlattr_nested_finish(msg); /* nested act_index */
- nlattr_nested_finish(msg); /* nested TCA_FLOWER_ACT */
+ tap_nlattr_add(&msg->nh, TCA_GACT_PARMS, sizeof(p), &p);
+ tap_nlattr_nested_finish(msg); /* nested TCA_ACT_OPTIONS */
+ tap_nlattr_nested_finish(msg); /* nested act_index */
+ tap_nlattr_nested_finish(msg); /* nested TCA_FLOWER_ACT */
return 0;
}
@@ -872,21 +875,21 @@ add_action_mirred(struct rte_flow *flow, uint16_t ifindex, uint16_t action_type)
.ifindex = ifindex,
};
- if (nlattr_nested_start(msg, TCA_FLOWER_ACT) < 0)
+ if (tap_nlattr_nested_start(msg, TCA_FLOWER_ACT) < 0)
return -1;
- if (nlattr_nested_start(msg, act_index++) < 0)
+ if (tap_nlattr_nested_start(msg, act_index++) < 0)
return -1;
- nlattr_add(&msg->nh, TCA_ACT_KIND, sizeof("mirred"), "mirred");
- if (nlattr_nested_start(msg, TCA_ACT_OPTIONS) < 0)
+ tap_nlattr_add(&msg->nh, TCA_ACT_KIND, sizeof("mirred"), "mirred");
+ if (tap_nlattr_nested_start(msg, TCA_ACT_OPTIONS) < 0)
return -1;
if (action_type == TCA_EGRESS_MIRROR)
p.action = TC_ACT_PIPE;
else /* REDIRECT */
p.action = TC_ACT_STOLEN;
- nlattr_add(&msg->nh, TCA_MIRRED_PARMS, sizeof(p), &p);
- nlattr_nested_finish(msg); /* nested TCA_ACT_OPTIONS */
- nlattr_nested_finish(msg); /* nested act_index */
- nlattr_nested_finish(msg); /* nested TCA_FLOWER_ACT */
+ tap_nlattr_add(&msg->nh, TCA_MIRRED_PARMS, sizeof(p), &p);
+ tap_nlattr_nested_finish(msg); /* nested TCA_ACT_OPTIONS */
+ tap_nlattr_nested_finish(msg); /* nested act_index */
+ tap_nlattr_nested_finish(msg); /* nested TCA_FLOWER_ACT */
return 0;
}
@@ -910,18 +913,18 @@ add_action_skbedit(struct rte_flow *flow, uint16_t queue)
.action = TC_ACT_PIPE
};
- if (nlattr_nested_start(msg, TCA_FLOWER_ACT) < 0)
+ if (tap_nlattr_nested_start(msg, TCA_FLOWER_ACT) < 0)
return -1;
- if (nlattr_nested_start(msg, act_index++) < 0)
+ if (tap_nlattr_nested_start(msg, act_index++) < 0)
return -1;
- nlattr_add(&msg->nh, TCA_ACT_KIND, sizeof("skbedit"), "skbedit");
- if (nlattr_nested_start(msg, TCA_ACT_OPTIONS) < 0)
+ tap_nlattr_add(&msg->nh, TCA_ACT_KIND, sizeof("skbedit"), "skbedit");
+ if (tap_nlattr_nested_start(msg, TCA_ACT_OPTIONS) < 0)
return -1;
- nlattr_add(&msg->nh, TCA_SKBEDIT_PARMS, sizeof(p), &p);
- nlattr_add16(&msg->nh, TCA_SKBEDIT_QUEUE_MAPPING, queue);
- nlattr_nested_finish(msg); /* nested TCA_ACT_OPTIONS */
- nlattr_nested_finish(msg); /* nested act_index */
- nlattr_nested_finish(msg); /* nested TCA_FLOWER_ACT */
+ tap_nlattr_add(&msg->nh, TCA_SKBEDIT_PARMS, sizeof(p), &p);
+ tap_nlattr_add16(&msg->nh, TCA_SKBEDIT_QUEUE_MAPPING, queue);
+ tap_nlattr_nested_finish(msg); /* nested TCA_ACT_OPTIONS */
+ tap_nlattr_nested_finish(msg); /* nested act_index */
+ tap_nlattr_nested_finish(msg); /* nested TCA_FLOWER_ACT */
return 0;
}
@@ -1004,8 +1007,8 @@ priv_flow_process(struct pmd_internals *pmd,
TC_H_MAKE(MULTIQ_MAJOR_HANDLE, 0);
}
/* use flower filter type */
- nlattr_add(&flow->msg.nh, TCA_KIND, sizeof("flower"), "flower");
- if (nlattr_nested_start(&flow->msg, TCA_OPTIONS) < 0)
+ tap_nlattr_add(&flow->msg.nh, TCA_KIND, sizeof("flower"), "flower");
+ if (tap_nlattr_nested_start(&flow->msg, TCA_OPTIONS) < 0)
goto exit_item_not_supported;
}
for (; items->type != RTE_FLOW_ITEM_TYPE_END; ++items) {
@@ -1041,14 +1044,14 @@ priv_flow_process(struct pmd_internals *pmd,
}
if (flow) {
if (data.vlan) {
- nlattr_add16(&flow->msg.nh, TCA_FLOWER_KEY_ETH_TYPE,
+ tap_nlattr_add16(&flow->msg.nh, TCA_FLOWER_KEY_ETH_TYPE,
htons(ETH_P_8021Q));
- nlattr_add16(&flow->msg.nh,
+ tap_nlattr_add16(&flow->msg.nh,
TCA_FLOWER_KEY_VLAN_ETH_TYPE,
data.eth_type ?
data.eth_type : htons(ETH_P_ALL));
} else if (data.eth_type) {
- nlattr_add16(&flow->msg.nh, TCA_FLOWER_KEY_ETH_TYPE,
+ tap_nlattr_add16(&flow->msg.nh, TCA_FLOWER_KEY_ETH_TYPE,
data.eth_type);
}
}
@@ -1120,7 +1123,7 @@ priv_flow_process(struct pmd_internals *pmd,
}
end:
if (flow)
- nlattr_nested_finish(&flow->msg); /* nested TCA_OPTIONS */
+ tap_nlattr_nested_finish(&flow->msg); /* nested TCA_OPTIONS */
return 0;
exit_item_not_supported:
rte_flow_error_set(error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM,
@@ -1232,13 +1235,13 @@ tap_flow_create(struct rte_eth_dev *dev,
tap_flow_set_handle(flow);
if (priv_flow_process(pmd, attr, items, actions, error, flow, 0))
goto fail;
- err = nl_send(pmd->nlsk_fd, &msg->nh);
+ err = tap_nl_send(pmd->nlsk_fd, &msg->nh);
if (err < 0) {
rte_flow_error_set(error, ENOTSUP, RTE_FLOW_ERROR_TYPE_HANDLE,
NULL, "couldn't send request to kernel");
goto fail;
}
- err = nl_recv_ack(pmd->nlsk_fd);
+ err = tap_nl_recv_ack(pmd->nlsk_fd);
if (err < 0) {
RTE_LOG(ERR, PMD,
"Kernel refused TC filter rule creation (%d): %s\n",
@@ -1276,14 +1279,14 @@ tap_flow_create(struct rte_eth_dev *dev,
NULL, "rte flow rule validation failed");
goto fail;
}
- err = nl_send(pmd->nlsk_fd, &msg->nh);
+ err = tap_nl_send(pmd->nlsk_fd, &msg->nh);
if (err < 0) {
rte_flow_error_set(
error, ENOMEM, RTE_FLOW_ERROR_TYPE_HANDLE,
NULL, "Failure sending nl request");
goto fail;
}
- err = nl_recv_ack(pmd->nlsk_fd);
+ err = tap_nl_recv_ack(pmd->nlsk_fd);
if (err < 0) {
RTE_LOG(ERR, PMD,
"Kernel refused TC filter rule creation (%d): %s\n",
@@ -1329,13 +1332,13 @@ tap_flow_destroy_pmd(struct pmd_internals *pmd,
flow->msg.nh.nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK;
flow->msg.nh.nlmsg_type = RTM_DELTFILTER;
- ret = nl_send(pmd->nlsk_fd, &flow->msg.nh);
+ ret = tap_nl_send(pmd->nlsk_fd, &flow->msg.nh);
if (ret < 0) {
rte_flow_error_set(error, ENOTSUP, RTE_FLOW_ERROR_TYPE_HANDLE,
NULL, "couldn't send request to kernel");
goto end;
}
- ret = nl_recv_ack(pmd->nlsk_fd);
+ ret = tap_nl_recv_ack(pmd->nlsk_fd);
/* If errno is ENOENT, the rule is already no longer in the kernel. */
if (ret < 0 && errno == ENOENT)
ret = 0;
@@ -1352,14 +1355,14 @@ tap_flow_destroy_pmd(struct pmd_internals *pmd,
remote_flow->msg.nh.nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK;
remote_flow->msg.nh.nlmsg_type = RTM_DELTFILTER;
- ret = nl_send(pmd->nlsk_fd, &remote_flow->msg.nh);
+ ret = tap_nl_send(pmd->nlsk_fd, &remote_flow->msg.nh);
if (ret < 0) {
rte_flow_error_set(
error, ENOMEM, RTE_FLOW_ERROR_TYPE_HANDLE,
NULL, "Failure sending nl request");
goto end;
}
- ret = nl_recv_ack(pmd->nlsk_fd);
+ ret = tap_nl_recv_ack(pmd->nlsk_fd);
if (ret < 0 && errno == ENOENT)
ret = 0;
if (ret < 0) {
@@ -1566,12 +1569,12 @@ int tap_flow_implicit_create(struct pmd_internals *pmd,
RTE_LOG(ERR, PMD, "rte flow rule validation failed\n");
goto fail;
}
- err = nl_send(pmd->nlsk_fd, &msg->nh);
+ err = tap_nl_send(pmd->nlsk_fd, &msg->nh);
if (err < 0) {
RTE_LOG(ERR, PMD, "Failure sending nl request\n");
goto fail;
}
- err = nl_recv_ack(pmd->nlsk_fd);
+ err = tap_nl_recv_ack(pmd->nlsk_fd);
if (err < 0) {
RTE_LOG(ERR, PMD,
"Kernel refused TC filter rule creation (%d): %s\n",
diff --git a/drivers/net/tap/tap_netlink.c b/drivers/net/tap/tap_netlink.c
index ee92e2e..a10f647 100644
--- a/drivers/net/tap/tap_netlink.c
+++ b/drivers/net/tap/tap_netlink.c
@@ -63,7 +63,7 @@ struct nested_tail {
* netlink socket file descriptor on success, -1 otherwise.
*/
int
-nl_init(uint32_t nl_groups)
+tap_nl_init(uint32_t nl_groups)
{
int fd, sndbuf_size = SNDBUF_SIZE, rcvbuf_size = RCVBUF_SIZE;
struct sockaddr_nl local = {
@@ -101,7 +101,7 @@ nl_init(uint32_t nl_groups)
* 0 on success, -1 otherwise.
*/
int
-nl_final(int nlsk_fd)
+tap_nl_final(int nlsk_fd)
{
if (close(nlsk_fd)) {
RTE_LOG(ERR, PMD, "Failed to close netlink socket: %s (%d)\n",
@@ -123,7 +123,7 @@ nl_final(int nlsk_fd)
* the number of sent bytes on success, -1 otherwise.
*/
int
-nl_send(int nlsk_fd, struct nlmsghdr *nh)
+tap_nl_send(int nlsk_fd, struct nlmsghdr *nh)
{
/* man 7 netlink EXAMPLE */
struct sockaddr_nl sa = {
@@ -153,7 +153,8 @@ nl_send(int nlsk_fd, struct nlmsghdr *nh)
}
/**
- * Check that the kernel sends an appropriate ACK in response to an nl_send().
+ * Check that the kernel sends an appropriate ACK in response
+ * to an tap_nl_send().
*
* @param[in] nlsk_fd
* The netlink socket file descriptor used for communication.
@@ -162,14 +163,14 @@ nl_send(int nlsk_fd, struct nlmsghdr *nh)
* 0 on success, -1 otherwise with errno set.
*/
int
-nl_recv_ack(int nlsk_fd)
+tap_nl_recv_ack(int nlsk_fd)
{
- return nl_recv(nlsk_fd, NULL, NULL);
+ return tap_nl_recv(nlsk_fd, NULL, NULL);
}
/**
* Receive a message from the kernel on the netlink socket, following an
- * nl_send().
+ * tap_nl_send().
*
* @param[in] nlsk_fd
* The netlink socket file descriptor used for communication.
@@ -182,7 +183,7 @@ nl_recv_ack(int nlsk_fd)
* 0 on success, -1 otherwise with errno set.
*/
int
-nl_recv(int nlsk_fd, int (*cb)(struct nlmsghdr *, void *arg), void *arg)
+tap_nl_recv(int nlsk_fd, int (*cb)(struct nlmsghdr *, void *arg), void *arg)
{
/* man 7 netlink EXAMPLE */
struct sockaddr_nl sa;
@@ -247,7 +248,7 @@ nl_recv(int nlsk_fd, int (*cb)(struct nlmsghdr *, void *arg), void *arg)
* The data to append.
*/
void
-nlattr_add(struct nlmsghdr *nh, unsigned short type,
+tap_nlattr_add(struct nlmsghdr *nh, unsigned short type,
unsigned int data_len, const void *data)
{
/* see man 3 rtnetlink */
@@ -271,9 +272,9 @@ nlattr_add(struct nlmsghdr *nh, unsigned short type,
* The data to append.
*/
void
-nlattr_add8(struct nlmsghdr *nh, unsigned short type, uint8_t data)
+tap_nlattr_add8(struct nlmsghdr *nh, unsigned short type, uint8_t data)
{
- nlattr_add(nh, type, sizeof(uint8_t), &data);
+ tap_nlattr_add(nh, type, sizeof(uint8_t), &data);
}
/**
@@ -287,9 +288,9 @@ nlattr_add8(struct nlmsghdr *nh, unsigned short type, uint8_t data)
* The data to append.
*/
void
-nlattr_add16(struct nlmsghdr *nh, unsigned short type, uint16_t data)
+tap_nlattr_add16(struct nlmsghdr *nh, unsigned short type, uint16_t data)
{
- nlattr_add(nh, type, sizeof(uint16_t), &data);
+ tap_nlattr_add(nh, type, sizeof(uint16_t), &data);
}
/**
@@ -303,14 +304,14 @@ nlattr_add16(struct nlmsghdr *nh, unsigned short type, uint16_t data)
* The data to append.
*/
void
-nlattr_add32(struct nlmsghdr *nh, unsigned short type, uint32_t data)
+tap_nlattr_add32(struct nlmsghdr *nh, unsigned short type, uint32_t data)
{
- nlattr_add(nh, type, sizeof(uint32_t), &data);
+ tap_nlattr_add(nh, type, sizeof(uint32_t), &data);
}
/**
* Start a nested netlink attribute.
- * It must be followed later by a call to nlattr_nested_finish().
+ * It must be followed later by a call to tap_nlattr_nested_finish().
*
* @param[in, out] msg
* The netlink message where to edit the nested_tails metadata.
@@ -321,7 +322,7 @@ nlattr_add32(struct nlmsghdr *nh, unsigned short type, uint32_t data)
* -1 if adding a nested netlink attribute failed, 0 otherwise.
*/
int
-nlattr_nested_start(struct nlmsg *msg, uint16_t type)
+tap_nlattr_nested_start(struct nlmsg *msg, uint16_t type)
{
struct nested_tail *tail;
@@ -335,7 +336,7 @@ nlattr_nested_start(struct nlmsg *msg, uint16_t type)
tail->tail = (struct rtattr *)NLMSG_TAIL(&msg->nh);
- nlattr_add(&msg->nh, type, 0, NULL);
+ tap_nlattr_add(&msg->nh, type, 0, NULL);
tail->prev = msg->nested_tails;
@@ -346,7 +347,7 @@ nlattr_nested_start(struct nlmsg *msg, uint16_t type)
/**
* End a nested netlink attribute.
- * It follows a call to nlattr_nested_start().
+ * It follows a call to tap_nlattr_nested_start().
* In effect, it will modify the nested attribute length to include every bytes
* from the nested attribute start, up to here.
*
@@ -354,7 +355,7 @@ nlattr_nested_start(struct nlmsg *msg, uint16_t type)
* The netlink message where to edit the nested_tails metadata.
*/
void
-nlattr_nested_finish(struct nlmsg *msg)
+tap_nlattr_nested_finish(struct nlmsg *msg)
{
struct nested_tail *tail = msg->nested_tails;
diff --git a/drivers/net/tap/tap_netlink.h b/drivers/net/tap/tap_netlink.h
index 98e1390..a8affea 100644
--- a/drivers/net/tap/tap_netlink.h
+++ b/drivers/net/tap/tap_netlink.h
@@ -53,17 +53,18 @@ struct nlmsg {
#define NLMSG_TAIL(nlh) (void *)((char *)(nlh) + NLMSG_ALIGN((nlh)->nlmsg_len))
-int nl_init(uint32_t nl_groups);
-int nl_final(int nlsk_fd);
-int nl_send(int nlsk_fd, struct nlmsghdr *nh);
-int nl_recv(int nlsk_fd, int (*callback)(struct nlmsghdr *, void *), void *arg);
-int nl_recv_ack(int nlsk_fd);
-void nlattr_add(struct nlmsghdr *nh, unsigned short type,
- unsigned int data_len, const void *data);
-void nlattr_add8(struct nlmsghdr *nh, unsigned short type, uint8_t data);
-void nlattr_add16(struct nlmsghdr *nh, unsigned short type, uint16_t data);
-void nlattr_add32(struct nlmsghdr *nh, unsigned short type, uint32_t data);
-int nlattr_nested_start(struct nlmsg *msg, uint16_t type);
-void nlattr_nested_finish(struct nlmsg *msg);
+int tap_nl_init(uint32_t nl_groups);
+int tap_nl_final(int nlsk_fd);
+int tap_nl_send(int nlsk_fd, struct nlmsghdr *nh);
+int tap_nl_recv(int nlsk_fd, int (*callback)(struct nlmsghdr *, void *),
+ void *arg);
+int tap_nl_recv_ack(int nlsk_fd);
+void tap_nlattr_add(struct nlmsghdr *nh, unsigned short type,
+ unsigned int data_len, const void *data);
+void tap_nlattr_add8(struct nlmsghdr *nh, unsigned short type, uint8_t data);
+void tap_nlattr_add16(struct nlmsghdr *nh, unsigned short type, uint16_t data);
+void tap_nlattr_add32(struct nlmsghdr *nh, unsigned short type, uint32_t data);
+int tap_nlattr_nested_start(struct nlmsg *msg, uint16_t type);
+void tap_nlattr_nested_finish(struct nlmsg *msg);
#endif /* _TAP_NETLINK_H_ */
diff --git a/drivers/net/tap/tap_tcmsgs.c b/drivers/net/tap/tap_tcmsgs.c
index d74ac80..865c22b 100644
--- a/drivers/net/tap/tap_tcmsgs.c
+++ b/drivers/net/tap/tap_tcmsgs.c
@@ -107,7 +107,7 @@ qdisc_del(int nlsk_fd, uint16_t ifindex, struct qdisc *qinfo)
msg.t.tcm_parent = qinfo->parent;
/* if no netlink socket is provided, create one */
if (!nlsk_fd) {
- fd = nl_init(0);
+ fd = tap_nl_init(0);
if (fd < 0) {
RTE_LOG(ERR, PMD,
"Could not delete QDISC: null netlink socket\n");
@@ -116,16 +116,16 @@ qdisc_del(int nlsk_fd, uint16_t ifindex, struct qdisc *qinfo)
} else {
fd = nlsk_fd;
}
- if (nl_send(fd, &msg.nh) < 0)
+ if (tap_nl_send(fd, &msg.nh) < 0)
goto error;
- if (nl_recv_ack(fd) < 0)
+ if (tap_nl_recv_ack(fd) < 0)
goto error;
if (!nlsk_fd)
- return nl_final(fd);
+ return tap_nl_final(fd);
return 0;
error:
if (!nlsk_fd)
- nl_final(fd);
+ tap_nl_final(fd);
return -1;
}
@@ -150,11 +150,11 @@ qdisc_add_multiq(int nlsk_fd, uint16_t ifindex)
NLM_F_REQUEST | NLM_F_ACK | NLM_F_EXCL | NLM_F_CREATE);
msg.t.tcm_handle = TC_H_MAKE(MULTIQ_MAJOR_HANDLE, 0);
msg.t.tcm_parent = TC_H_ROOT;
- nlattr_add(&msg.nh, TCA_KIND, sizeof("multiq"), "multiq");
- nlattr_add(&msg.nh, TCA_OPTIONS, sizeof(opt), &opt);
- if (nl_send(nlsk_fd, &msg.nh) < 0)
+ tap_nlattr_add(&msg.nh, TCA_KIND, sizeof("multiq"), "multiq");
+ tap_nlattr_add(&msg.nh, TCA_OPTIONS, sizeof(opt), &opt);
+ if (tap_nl_send(nlsk_fd, &msg.nh) < 0)
return -1;
- if (nl_recv_ack(nlsk_fd) < 0)
+ if (tap_nl_recv_ack(nlsk_fd) < 0)
return -1;
return 0;
}
@@ -179,10 +179,10 @@ qdisc_add_ingress(int nlsk_fd, uint16_t ifindex)
NLM_F_REQUEST | NLM_F_ACK | NLM_F_EXCL | NLM_F_CREATE);
msg.t.tcm_handle = TC_H_MAKE(TC_H_INGRESS, 0);
msg.t.tcm_parent = TC_H_INGRESS;
- nlattr_add(&msg.nh, TCA_KIND, sizeof("ingress"), "ingress");
- if (nl_send(nlsk_fd, &msg.nh) < 0)
+ tap_nlattr_add(&msg.nh, TCA_KIND, sizeof("ingress"), "ingress");
+ if (tap_nl_send(nlsk_fd, &msg.nh) < 0)
return -1;
- if (nl_recv_ack(nlsk_fd) < 0)
+ if (tap_nl_recv_ack(nlsk_fd) < 0)
return -1;
return 0;
}
@@ -246,9 +246,9 @@ qdisc_iterate(int nlsk_fd, uint16_t ifindex,
};
tc_init_msg(&msg, ifindex, RTM_GETQDISC, NLM_F_REQUEST | NLM_F_DUMP);
- if (nl_send(nlsk_fd, &msg.nh) < 0)
+ if (tap_nl_send(nlsk_fd, &msg.nh) < 0)
return -1;
- if (nl_recv(nlsk_fd, callback, &args) < 0)
+ if (tap_nl_recv(nlsk_fd, callback, &args) < 0)
return -1;
return 0;
}
--
2.7.5
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