[PATCH net-next 1/2] be2net: Add description about various RSS hash types
From: Padmanabh Ratnakar <hidden>
Date: 2012-07-13 12:46:43
Subsystem:
emulex 10gbps nic be2, be3-r, lancer, skyhawk-r driver (be2net), networking drivers, the rest · Maintainers:
Ajit Khaparde, Sriharsha Basavapatna, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Incorporated review comment from Eric Dumazet. Added description about different RSS hash types which adapter is capable of. Will add support for ETHTOOL_GRXFH and ETHTOOL_SRXFX as suggested by Ben Hutchings in a later patch. Signed-off-by: Padmanabh Ratnakar <redacted> --- drivers/net/ethernet/emulex/benet/be_cmds.h | 14 ++++++++++++-- 1 files changed, 12 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/emulex/benet/be_cmds.h b/drivers/net/ethernet/emulex/benet/be_cmds.h
index 45d70de..d5a4ded 100644
--- a/drivers/net/ethernet/emulex/benet/be_cmds.h
+++ b/drivers/net/ethernet/emulex/benet/be_cmds.h@@ -1082,8 +1082,18 @@ struct be_cmd_resp_query_fw_cfg { u32 function_caps; }; -/******************** RSS Config *******************/ -/* RSS types */ +/******************** RSS Config ****************************************/ +/* RSS type Input parameters used to compute RX hash + * RSS_ENABLE_IPV4 SRC IPv4, DST IPv4 + * RSS_ENABLE_TCP_IPV4 SRC IPv4, DST IPv4, TCP SRC PORT, TCP DST PORT + * RSS_ENABLE_IPV6 SRC IPv6, DST IPv6 + * RSS_ENABLE_TCP_IPV6 SRC IPv6, DST IPv6, TCP SRC PORT, TCP DST PORT + * RSS_ENABLE_UDP_IPV4 SRC IPv4, DST IPv4, UDP SRC PORT, UDP DST PORT + * RSS_ENABLE_UDP_IPV6 SRC IPv6, DST IPv6, UDP SRC PORT, UDP DST PORT + * + * When multiple RSS types are enabled, HW picks the best hash policy + * based on the type of the received packet. + */ #define RSS_ENABLE_NONE 0x0 #define RSS_ENABLE_IPV4 0x1 #define RSS_ENABLE_TCP_IPV4 0x2
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1.6.0.2