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authorBen Hutchings <bhutchings@solarflare.com>2010-06-25 07:05:43 +0000
committerDavid S. Miller <davem@davemloft.net>2010-06-25 21:03:31 -0700
commit5d3a6fca955c18b066f01233f9faeb351c0d966b (patch)
tree6cc1ea2cf88a058425d003aaa53fbcc2c228f2b2 /drivers
parentsfc: Fix reading of inserted hash (diff)
downloadlinux-dev-5d3a6fca955c18b066f01233f9faeb351c0d966b.tar.xz
linux-dev-5d3a6fca955c18b066f01233f9faeb351c0d966b.zip
sfc: Move siena_nic_data::ipv6_rss_key to efx_nic::rx_hash_key
We will use this hash key for Toeplitz IPv4 hashing too. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/sfc/efx.c3
-rw-r--r--drivers/net/sfc/net_driver.h1
-rw-r--r--drivers/net/sfc/nic.h1
-rw-r--r--drivers/net/sfc/siena.c12
4 files changed, 8 insertions, 9 deletions
diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c
index d68f061a25e9..2a90bf9df913 100644
--- a/drivers/net/sfc/efx.c
+++ b/drivers/net/sfc/efx.c
@@ -1134,6 +1134,9 @@ static int efx_probe_nic(struct efx_nic *efx)
* in MSI-X interrupts. */
efx_probe_interrupts(efx);
+ if (efx->n_channels > 1)
+ get_random_bytes(&efx->rx_hash_key, sizeof(efx->rx_hash_key));
+
efx_set_channels(efx);
efx->net_dev->real_num_tx_queues = efx->n_tx_channels;
diff --git a/drivers/net/sfc/net_driver.h b/drivers/net/sfc/net_driver.h
index bdec542e0c3d..28f3ff4cff4a 100644
--- a/drivers/net/sfc/net_driver.h
+++ b/drivers/net/sfc/net_driver.h
@@ -735,6 +735,7 @@ struct efx_nic {
unsigned n_tx_channels;
unsigned int rx_buffer_len;
unsigned int rx_buffer_order;
+ u8 rx_hash_key[40];
unsigned int_error_count;
unsigned long int_error_expire;
diff --git a/drivers/net/sfc/nic.h b/drivers/net/sfc/nic.h
index 534461ffece8..a39822da081b 100644
--- a/drivers/net/sfc/nic.h
+++ b/drivers/net/sfc/nic.h
@@ -142,7 +142,6 @@ struct siena_nic_data {
u32 fw_build;
struct efx_mcdi_iface mcdi;
int wol_filter_id;
- u8 ipv6_rss_key[40];
};
extern void siena_print_fwver(struct efx_nic *efx, char *buf, size_t len);
diff --git a/drivers/net/sfc/siena.c b/drivers/net/sfc/siena.c
index f1741b4af1b3..7fd258ce3c06 100644
--- a/drivers/net/sfc/siena.c
+++ b/drivers/net/sfc/siena.c
@@ -285,9 +285,6 @@ static int siena_probe_nic(struct efx_nic *efx)
goto fail5;
}
- get_random_bytes(&nic_data->ipv6_rss_key,
- sizeof(nic_data->ipv6_rss_key));
-
return 0;
fail5:
@@ -307,7 +304,6 @@ fail1:
*/
static int siena_init_nic(struct efx_nic *efx)
{
- struct siena_nic_data *nic_data = efx->nic_data;
efx_oword_t temp;
int rc;
@@ -336,16 +332,16 @@ static int siena_init_nic(struct efx_nic *efx)
efx_writeo(efx, &temp, FR_AZ_RX_CFG);
/* Enable IPv6 RSS */
- BUILD_BUG_ON(sizeof(nic_data->ipv6_rss_key) !=
+ BUILD_BUG_ON(sizeof(efx->rx_hash_key) <
2 * sizeof(temp) + FRF_CZ_RX_RSS_IPV6_TKEY_HI_WIDTH / 8 ||
FRF_CZ_RX_RSS_IPV6_TKEY_HI_LBN != 0);
- memcpy(&temp, nic_data->ipv6_rss_key, sizeof(temp));
+ memcpy(&temp, efx->rx_hash_key, sizeof(temp));
efx_writeo(efx, &temp, FR_CZ_RX_RSS_IPV6_REG1);
- memcpy(&temp, nic_data->ipv6_rss_key + sizeof(temp), sizeof(temp));
+ memcpy(&temp, efx->rx_hash_key + sizeof(temp), sizeof(temp));
efx_writeo(efx, &temp, FR_CZ_RX_RSS_IPV6_REG2);
EFX_POPULATE_OWORD_2(temp, FRF_CZ_RX_RSS_IPV6_THASH_ENABLE, 1,
FRF_CZ_RX_RSS_IPV6_IP_THASH_ENABLE, 1);
- memcpy(&temp, nic_data->ipv6_rss_key + 2 * sizeof(temp),
+ memcpy(&temp, efx->rx_hash_key + 2 * sizeof(temp),
FRF_CZ_RX_RSS_IPV6_TKEY_HI_WIDTH / 8);
efx_writeo(efx, &temp, FR_CZ_RX_RSS_IPV6_REG3);