[dpdk-stable] [dpdk-dev] [PATCH v2] examples/l2fwd-event: fix ethdev RSS setup
pbhagavatula at marvell.com
pbhagavatula at marvell.com
Tue Jan 14 06:52:23 CET 2020
From: Pavan Nikhilesh <pbhagavatula at marvell.com>
Setup RSS configuration based on underlying device capabilities.
Fixes: 4ff457986f76 ("examples/l2fwd-event: add default poll mode routines")
Cc: stable at dpdk.org
Signed-off-by: Satananda Burla <sburla at marvell.com>
Signed-off-by: Pavan Nikhilesh <pbhagavatula at marvell.com>
---
v2 Changes:
- change the patch type to fix.
examples/l2fwd-event/l2fwd_common.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/examples/l2fwd-event/l2fwd_common.c b/examples/l2fwd-event/l2fwd_common.c
index 0c069ec35..2fae6f52c 100644
--- a/examples/l2fwd-event/l2fwd_common.c
+++ b/examples/l2fwd-event/l2fwd_common.c
@@ -46,6 +46,17 @@ l2fwd_event_init_ports(struct l2fwd_resources *rsrc)
if (ret != 0)
rte_panic("Error during getting device (port %u) info: %s\n",
port_id, strerror(-ret));
+ local_port_conf.rx_adv_conf.rss_conf.rss_hf &=
+ dev_info.flow_type_rss_offloads;
+ if (local_port_conf.rx_adv_conf.rss_conf.rss_hf !=
+ port_conf.rx_adv_conf.rss_conf.rss_hf) {
+ printf("Port %u modified RSS hash function based on hardware support,"
+ "requested:%#"PRIx64" configured:%#"PRIx64"",
+ port_id,
+ port_conf.rx_adv_conf.rss_conf.rss_hf,
+ local_port_conf.rx_adv_conf.rss_conf.rss_hf);
+ }
+
if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
local_port_conf.txmode.offloads |=
DEV_TX_OFFLOAD_MBUF_FAST_FREE;
--
2.17.1
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