brain-hackers_pepepper-mirror
/
linux-brain
mirror of https://github.com/brain-hackers/linux-brain.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

net: qed: Disable aRFS for NPAR and 100G 

[ Upstream commit 2d2fe8433796603091ac8ea235b9165ac5a85f9a ]

In CMT and NPAR the PF is unknown when the GFS block processes the
packet. Therefore cannot use searcher as it has a per PF database,
and thus ARFS must be disabled.

Fixes: d51e4af5c2 ("qed: aRFS infrastructure support")
Signed-off-by: Manish Chopra <manishc@marvell.com>
Signed-off-by: Igor Russkikh <irusskikh@marvell.com>
Signed-off-by: Michal Kalderon <michal.kalderon@marvell.com>
Signed-off-by: Dmitry Bogdanov <dbogdanov@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Dmitry Bogdanov 2020-09-09 20:43:08 +03:00 committed by Greg Kroah-Hartman
parent f301585195
commit 82dfe9c32d
4 changed files with 16 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
drivers/net/ethernet/qlogic/qed/qed_dev.c
View File

@ -4142,7 +4142,8 @@ static int qed_hw_get_nvm_info(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
cdev->mf_bits = BIT(QED_MF_LLH_MAC_CLSS) |
BIT(QED_MF_LLH_PROTO_CLSS) |
BIT(QED_MF_LL2_NON_UNICAST) |
BIT(QED_MF_INTER_PF_SWITCH);
BIT(QED_MF_INTER_PF_SWITCH) |
BIT(QED_MF_DISABLE_ARFS);
break;
case NVM_CFG1_GLOB_MF_MODE_DEFAULT:
cdev->mf_bits = BIT(QED_MF_LLH_MAC_CLSS) |
@ -4155,6 +4156,14 @@ static int qed_hw_get_nvm_info(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
DP_INFO(p_hwfn, "Multi function mode is 0x%lx\n",
cdev->mf_bits);
/* In CMT the PF is unknown when the GFS block processes the
* packet. Therefore cannot use searcher as it has a per PF
* database, and thus ARFS must be disabled.
*
*/
if (QED_IS_CMT(cdev))
cdev->mf_bits |= BIT(QED_MF_DISABLE_ARFS);
}
DP_INFO(p_hwfn, "Multi function mode is 0x%lx\n",

3
drivers/net/ethernet/qlogic/qed/qed_l2.c
View File

@ -2001,6 +2001,9 @@ void qed_arfs_mode_configure(struct qed_hwfn *p_hwfn,
struct qed_ptt *p_ptt,
struct qed_arfs_config_params *p_cfg_params)
{
if (test_bit(QED_MF_DISABLE_ARFS, &p_hwfn->cdev->mf_bits))
return;
if (p_cfg_params->mode != QED_FILTER_CONFIG_MODE_DISABLE) {
qed_gft_config(p_hwfn, p_ptt, p_hwfn->rel_pf_id,
p_cfg_params->tcp,

2
drivers/net/ethernet/qlogic/qed/qed_main.c
View File

@ -280,6 +280,8 @@ int qed_fill_dev_info(struct qed_dev *cdev,
dev_info->fw_eng = FW_ENGINEERING_VERSION;
dev_info->b_inter_pf_switch = test_bit(QED_MF_INTER_PF_SWITCH,
&cdev->mf_bits);
if (!test_bit(QED_MF_DISABLE_ARFS, &cdev->mf_bits))
dev_info->b_arfs_capable = true;
dev_info->tx_switching = true;
if (hw_info->b_wol_support == QED_WOL_SUPPORT_PME)

1
include/linux/qed/qed_if.h
View File

@ -637,6 +637,7 @@ struct qed_dev_info {
#define QED_MFW_VERSION_3_OFFSET 24
u32 flash_size;
bool b_arfs_capable;
bool b_inter_pf_switch;
bool tx_switching;
bool rdma_supported;