github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-07-29 18:51:21 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

octeontx2-pf: Reuse PF max mtu value

Browse Source 
Reuse the maximum support HW MTU value that is fetch during probe.
Instead of fetching through mbox each time mtu is changed as the
value is fixed for interface.

Signed-off-by: Geetha sowjanya <gakula@marvell.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20241023161843.15543-4-gakula@marvell.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Geetha sowjanya 2024-10-23 21:48:42 +05:30 committed by Jakub Kicinski
parent 03d80a1ba5
commit dec6f5ebd7
4 changed files with 5 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
View File

@ -227,7 +227,7 @@ int otx2_hw_set_mtu(struct otx2_nic *pfvf, int mtu)
u16 maxlen;
int err;
maxlen = otx2_get_max_mtu(pfvf) + OTX2_ETH_HLEN + OTX2_HW_TIMESTAMP_LEN;
maxlen = pfvf->hw.max_mtu + OTX2_ETH_HLEN + OTX2_HW_TIMESTAMP_LEN;
mutex_lock(&pfvf->mbox.lock);
req = otx2_mbox_alloc_msg_nix_set_hw_frs(&pfvf->mbox);
@ -236,7 +236,7 @@ int otx2_hw_set_mtu(struct otx2_nic *pfvf, int mtu)
return -ENOMEM;
}
req->maxlen = pfvf->netdev->mtu + OTX2_ETH_HLEN + OTX2_HW_TIMESTAMP_LEN;
req->maxlen = mtu + OTX2_ETH_HLEN + OTX2_HW_TIMESTAMP_LEN;
/* Use max receive length supported by hardware for loopback devices */
if (is_otx2_lbkvf(pfvf->pdev))

1
drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h
View File

@ -228,6 +228,7 @@ struct otx2_hw {
u16 txschq_list[NIX_TXSCH_LVL_CNT][MAX_TXSCHQ_PER_FUNC];
u16 matchall_ipolicer;
u32 dwrr_mtu;
u32 max_mtu;
u8 smq_link_type;
/* HW settings, coalescing etc */

1
drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c
View File

@ -3101,6 +3101,7 @@ static int otx2_probe(struct pci_dev *pdev, const struct pci_device_id *id)
netdev->min_mtu = OTX2_MIN_MTU;
netdev->max_mtu = otx2_get_max_mtu(pf);
hw->max_mtu = netdev->max_mtu;
/* reset CGX/RPM MAC stats */
otx2_reset_mac_stats(pf);

1
drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c
View File

@ -671,6 +671,7 @@ static int otx2vf_probe(struct pci_dev *pdev, const struct pci_device_id *id)
netdev->min_mtu = OTX2_MIN_MTU;
netdev->max_mtu = otx2_get_max_mtu(vf);
hw->max_mtu = netdev->max_mtu;
/* To distinguish, for LBK VFs set netdev name explicitly */
if (is_otx2_lbkvf(vf->pdev)) {