From b718c88a62c9adf24d8d1a06902f06f0149efac7 Mon Sep 17 00:00:00 2001 From: Edward Cree Date: Thu, 3 Nov 2016 22:12:58 +0000 Subject: [PATCH] sfc: report 4-tuple UDP hashing to ethtool, if it's enabled Signed-off-by: Edward Cree Signed-off-by: David S. Miller --- drivers/net/ethernet/sfc/ef10.c | 6 ++++-- drivers/net/ethernet/sfc/ethtool.c | 12 ++++++++---- drivers/net/ethernet/sfc/net_driver.h | 2 ++ 3 files changed, 14 insertions(+), 6 deletions(-) diff --git a/drivers/net/ethernet/sfc/ef10.c b/drivers/net/ethernet/sfc/ef10.c index 9f6d7690bc0a..e61807e6d47b 100644 --- a/drivers/net/ethernet/sfc/ef10.c +++ b/drivers/net/ethernet/sfc/ef10.c @@ -2319,8 +2319,10 @@ static void efx_ef10_set_rss_flags(struct efx_nic *efx, u32 context) flags |= RSS_MODE_HASH_PORTS << MC_CMD_RSS_CONTEXT_GET_FLAGS_OUT_UDP_IPV4_RSS_MODE_LBN; flags |= RSS_MODE_HASH_PORTS << MC_CMD_RSS_CONTEXT_GET_FLAGS_OUT_UDP_IPV6_RSS_MODE_LBN; MCDI_SET_DWORD(inbuf, RSS_CONTEXT_SET_FLAGS_IN_FLAGS, flags); - efx_mcdi_rpc(efx, MC_CMD_RSS_CONTEXT_SET_FLAGS, inbuf, sizeof(inbuf), - NULL, 0, NULL); + if (!efx_mcdi_rpc(efx, MC_CMD_RSS_CONTEXT_SET_FLAGS, inbuf, sizeof(inbuf), + NULL, 0, NULL)) + /* Succeeded, so UDP 4-tuple is now enabled */ + efx->rx_hash_udp_4tuple = true; } static int efx_ef10_alloc_rss_context(struct efx_nic *efx, u32 *context, diff --git a/drivers/net/ethernet/sfc/ethtool.c b/drivers/net/ethernet/sfc/ethtool.c index 445ccdb6bc67..bf126f935ade 100644 --- a/drivers/net/ethernet/sfc/ethtool.c +++ b/drivers/net/ethernet/sfc/ethtool.c @@ -968,20 +968,24 @@ efx_ethtool_get_rxnfc(struct net_device *net_dev, info->data = 0; switch (info->flow_type) { + case UDP_V4_FLOW: + if (efx->rx_hash_udp_4tuple) + /* fall through */ case TCP_V4_FLOW: - info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; + info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; /* fall through */ - case UDP_V4_FLOW: case SCTP_V4_FLOW: case AH_ESP_V4_FLOW: case IPV4_FLOW: info->data |= RXH_IP_SRC | RXH_IP_DST; min_revision = EFX_REV_FALCON_B0; break; + case UDP_V6_FLOW: + if (efx->rx_hash_udp_4tuple) + /* fall through */ case TCP_V6_FLOW: - info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; + info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; /* fall through */ - case UDP_V6_FLOW: case SCTP_V6_FLOW: case AH_ESP_V6_FLOW: case IPV6_FLOW: diff --git a/drivers/net/ethernet/sfc/net_driver.h b/drivers/net/ethernet/sfc/net_driver.h index 99d8c82124bb..fec51c4b2607 100644 --- a/drivers/net/ethernet/sfc/net_driver.h +++ b/drivers/net/ethernet/sfc/net_driver.h @@ -853,6 +853,7 @@ struct vfdi_status; * @rx_hash_key: Toeplitz hash key for RSS * @rx_indir_table: Indirection table for RSS * @rx_scatter: Scatter mode enabled for receives + * @rx_hash_udp_4tuple: UDP 4-tuple hashing enabled * @int_error_count: Number of internal errors seen recently * @int_error_expire: Time at which error count will be expired * @irq_soft_enabled: Are IRQs soft-enabled? If not, IRQ handler will @@ -990,6 +991,7 @@ struct efx_nic { u8 rx_hash_key[40]; u32 rx_indir_table[128]; bool rx_scatter; + bool rx_hash_udp_4tuple; unsigned int_error_count; unsigned long int_error_expire; -- 2.30.2