diff options
| author |   Tom Lendacky <thomas.lendacky@amd.com> | 2018-05-23 11:38:56 -0500 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2018-05-23 16:33:00 -0400 |
| commit | bab748de986d786cbbef31d550bea3bc616304cb (patch) | |
| tree | 85dd0089469f437be29289794f2306a7651101ea /drivers/net/ethernet/amd/xgbe/xgbe.h | |
| parent | amd-xgbe: Add ethtool support to retrieve SFP module info (diff) | |
| download | linux-dev-bab748de986d786cbbef31d550bea3bc616304cb.tar.xz linux-dev-bab748de986d786cbbef31d550bea3bc616304cb.zip | |
amd-xgbe: Add ethtool show/set ring parameter support
Add ethtool support to show and set the number of the Rx and Tx ring
descriptors. Changing the ring configuration will result in a device
restart.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/amd/xgbe/xgbe.h')
| -rw-r--r-- | drivers/net/ethernet/amd/xgbe/xgbe.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe.h b/drivers/net/ethernet/amd/xgbe/xgbe.h index f0f455b79ff9..7dc0fac560a3 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe.h +++ b/drivers/net/ethernet/amd/xgbe/xgbe.h @@ -144,6 +144,11 @@ #define XGBE_TX_DESC_MAX_PROC (XGBE_TX_DESC_CNT >> 1) #define XGBE_RX_DESC_CNT 512 +#define XGBE_TX_DESC_CNT_MIN 64 +#define XGBE_TX_DESC_CNT_MAX 4096 +#define XGBE_RX_DESC_CNT_MIN 64 +#define XGBE_RX_DESC_CNT_MAX 4096 + #define XGBE_TX_MAX_BUF_SIZE (0x3fff & ~(64 - 1)) /* Descriptors required for maximum contiguous TSO/GSO packet */ @@ -1330,6 +1335,7 @@ int xgbe_powerup(struct net_device *, unsigned int); int xgbe_powerdown(struct net_device *, unsigned int); void xgbe_init_rx_coalesce(struct xgbe_prv_data *); void xgbe_init_tx_coalesce(struct xgbe_prv_data *); +void xgbe_restart_dev(struct xgbe_prv_data *pdata); #ifdef CONFIG_DEBUG_FS void xgbe_debugfs_init(struct xgbe_prv_data *); |