Commit f1d29a3f authored by Ben Hutchings's avatar Ben Hutchings Committed by David S. Miller
Browse files

mlx4_en: Remove remnants of LRO support

Commit fa37a958

 ('mlx4_en: Moving to
work with GRO') left behind the Kconfig depends/select, some dead
code and comments referring to LRO.
Signed-off-by: default avatarBen Hutchings <bhutchings@solarflare.com>
Acked-by: default avatarAmir Vadai <amirv@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 01f1c6b9
......@@ -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.
......
......@@ -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:
......
......@@ -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;
......
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