Should it be per pktio rss hash then per packet? I'm reading here: https://www.kernel.org/doc/Documentation/networking/scaling.txt
that rss is hash per device how to split traffic. If it's per device than in odp terms it's for pktio.
Maxim. On 08/13/15 22:59, Bill Fischofer wrote:
On Thu, Aug 13, 2015 at 12:52 PM, Zoltan Kiss <zoltan.k...@linaro.org <mailto:zoltan.k...@linaro.org>> wrote:Applications can read the computed hash (if any) and set it if they changed the packet headers or if the platform haven't calculated the hash. Signed-off-by: Zoltan Kiss <zoltan.k...@linaro.org <mailto:zoltan.k...@linaro.org>> --- v2: - focus on RSS hash only - use setter/getter's include/odp/api/packet.h | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) diff --git a/include/odp/api/packet.h b/include/odp/api/packet.h index 3a454b5..c6e8a4b 100644 --- a/include/odp/api/packet.h +++ b/include/odp/api/packet.h @@ -48,6 +48,11 @@ extern "C" { * Invalid packet segment */ +/** + * @def ODP_PACKET_RSS_INVALID + * RSS hash is not set + */ + /* * * Alloc and free @@ -605,6 +610,29 @@ uint32_t odp_packet_l4_offset(odp_packet_t pkt); int odp_packet_l4_offset_set(odp_packet_t pkt, uint32_t offset); /** + * RSS hash value + * + * Returns the RSS hash stored for the packet. + * + * @param pkt Packet handle + * + * @return Hash pointer Should be @return Hash value + * @retval ODP_PACKET_RSS_INVALID if RSS hash is not set. + */ +uint32_t odp_packet_rss_hash(odp_packet_t pkt); + +/** + * Set RSS hash value + * + * Store the RSS hash for the packet. + * + * @param pkt Packet handle + * @param rss_hash Hash value to set + * + */ +void odp_packet_rss_hash_set(odp_packet_t pkt, uint32_t rss_hash); + +/** * Tests if packet is segmented * * @param pkt Packet handle -- 1.9.1 _______________________________________________ lng-odp mailing list lng-odp@lists.linaro.org <mailto:lng-odp@lists.linaro.org> https://lists.linaro.org/mailman/listinfo/lng-odp _______________________________________________ lng-odp mailing list lng-odp@lists.linaro.org https://lists.linaro.org/mailman/listinfo/lng-odp
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