diff options
author | Ben Hutchings <bhutchings@solarflare.com> | 2012-11-16 12:44:56 +0000 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2012-11-19 19:13:59 -0500 |
commit | f1d29a3fa68ba7c0b78b659a0e427ab834a26b44 (patch) | |
tree | 9c753bdde61384321e3dc99929d6c2754cd76587 /drivers/net/ethernet | |
parent | 01f1c6b994bc4e0cf048534e67702e08ae69a890 (diff) | |
download | op-kernel-dev-f1d29a3fa68ba7c0b78b659a0e427ab834a26b44.zip op-kernel-dev-f1d29a3fa68ba7c0b78b659a0e427ab834a26b44.tar.gz |
mlx4_en: Remove remnants of LRO support
Commit fa37a9586f92051de03a13e55e5ec3880bb6783e ('mlx4_en: Moving to
work with GRO') left behind the Kconfig depends/select, some dead
code and comments referring to LRO.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Acked-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet')
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/Kconfig | 3 | ||||
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/en_rx.c | 9 | ||||
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/mlx4_en.h | 17 |
3 files changed, 4 insertions, 25 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/Kconfig b/drivers/net/ethernet/mellanox/mlx4/Kconfig index 5f027f9..eb520ab 100644 --- a/drivers/net/ethernet/mellanox/mlx4/Kconfig +++ b/drivers/net/ethernet/mellanox/mlx4/Kconfig @@ -4,9 +4,8 @@ config MLX4_EN tristate "Mellanox Technologies 10Gbit Ethernet support" - depends on PCI && INET + depends on PCI select MLX4_CORE - select INET_LRO ---help--- This driver supports Mellanox Technologies ConnectX Ethernet devices. diff --git a/drivers/net/ethernet/mellanox/mlx4/en_rx.c b/drivers/net/ethernet/mellanox/mlx4/en_rx.c index 5aba5ec..f76c967 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_rx.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_rx.c @@ -630,7 +630,7 @@ int mlx4_en_process_rx_cq(struct net_device *dev, struct mlx4_en_cq *cq, int bud if ((cqe->status & cpu_to_be16(MLX4_CQE_STATUS_IPOK)) && (cqe->checksum == cpu_to_be16(0xffff))) { ring->csum_ok++; - /* This packet is eligible for LRO if it is: + /* This packet is eligible for GRO if it is: * - DIX Ethernet (type interpretation) * - TCP/IP (v4) * - without IP options @@ -667,7 +667,7 @@ int mlx4_en_process_rx_cq(struct net_device *dev, struct mlx4_en_cq *cq, int bud goto next; } - /* LRO not possible, complete processing here */ + /* GRO not possible, complete processing here */ ip_summed = CHECKSUM_UNNECESSARY; } else { ip_summed = CHECKSUM_NONE; @@ -710,11 +710,8 @@ next: ++cq->mcq.cons_index; index = (cq->mcq.cons_index) & ring->size_mask; cqe = &cq->buf[index]; - if (++polled == budget) { - /* We are here because we reached the NAPI budget - - * flush only pending LRO sessions */ + if (++polled == budget) goto out; - } } out: diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h index 8a5e70d..d3eba8b 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h +++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h @@ -95,8 +95,6 @@ #define MLX4_EN_ALLOC_SIZE PAGE_ALIGN(16384) #define MLX4_EN_ALLOC_ORDER get_order(MLX4_EN_ALLOC_SIZE) -#define MLX4_EN_MAX_LRO_DESCRIPTORS 32 - /* Receive fragment sizes; we use at most 4 fragments (for 9600 byte MTU * and 4K allocations) */ enum { @@ -290,21 +288,6 @@ struct mlx4_en_rx_ring { unsigned long csum_none; }; - -static inline int mlx4_en_can_lro(__be16 status) -{ - return (status & cpu_to_be16(MLX4_CQE_STATUS_IPV4 | - MLX4_CQE_STATUS_IPV4F | - MLX4_CQE_STATUS_IPV6 | - MLX4_CQE_STATUS_IPV4OPT | - MLX4_CQE_STATUS_TCP | - MLX4_CQE_STATUS_UDP | - MLX4_CQE_STATUS_IPOK)) == - cpu_to_be16(MLX4_CQE_STATUS_IPV4 | - MLX4_CQE_STATUS_IPOK | - MLX4_CQE_STATUS_TCP); -} - struct mlx4_en_cq { struct mlx4_cq mcq; struct mlx4_hwq_resources wqres; |