[dpdk-dev] [PATCH 2/5] ixgbe: make register maps const
Bruce Richardson
bruce.richardson at intel.com
Mon Mar 9 14:33:23 CET 2015
On Fri, Mar 06, 2015 at 06:23:21PM -0800, Stephen Hemminger wrote:
> These are const data structures, just put them in txt segment
> rather than having compiler emit code to set them up on the stack.
>
> Signed-off-by: Stephen Hemminger <stephen at networkplumber.org>
Acked-by: Bruce Richardson <bruce.richardson at intel.com>
> ---
> lib/librte_pmd_ixgbe/ixgbe_rxtx.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/lib/librte_pmd_ixgbe/ixgbe_rxtx.c b/lib/librte_pmd_ixgbe/ixgbe_rxtx.c
> index e6aec8f..8706c1e 100644
> --- a/lib/librte_pmd_ixgbe/ixgbe_rxtx.c
> +++ b/lib/librte_pmd_ixgbe/ixgbe_rxtx.c
> @@ -860,14 +860,14 @@ rx_desc_hlen_type_rss_to_pkt_flags(uint32_t hl_tp_rs)
> {
> uint64_t pkt_flags;
>
> - static uint64_t ip_pkt_types_map[16] = {
> + static const uint64_t ip_pkt_types_map[16] = {
> 0, PKT_RX_IPV4_HDR, PKT_RX_IPV4_HDR_EXT, PKT_RX_IPV4_HDR_EXT,
> PKT_RX_IPV6_HDR, 0, 0, 0,
> PKT_RX_IPV6_HDR_EXT, 0, 0, 0,
> PKT_RX_IPV6_HDR_EXT, 0, 0, 0,
> };
>
> - static uint64_t ip_rss_types_map[16] = {
> + static const uint64_t ip_rss_types_map[16] = {
> 0, PKT_RX_RSS_HASH, PKT_RX_RSS_HASH, PKT_RX_RSS_HASH,
> 0, PKT_RX_RSS_HASH, 0, PKT_RX_RSS_HASH,
> PKT_RX_RSS_HASH, 0, 0, 0,
> --
> 2.1.4
>
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