diff options
Diffstat (limited to 'drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c')
| -rw-r--r-- | drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c index 60db1f616cc8..828316211b24 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c @@ -6616,3 +6616,19 @@ unlock_grp: return ret; } + +/* On CN10k and older series of silicons, hardware may incorrectly + * assert XOFF on certain channels. Issue a write on NIX_AF_RX_CHANX_CFG + * to broadcacst XON on the same. + */ +void rvu_block_bcast_xon(struct rvu *rvu, int blkaddr) +{ + struct rvu_block *block = &rvu->hw->block[blkaddr]; + u64 cfg; + + if (!block->implemented || is_cn20k(rvu->pdev)) + return; + + cfg = rvu_read64(rvu, blkaddr, NIX_AF_RX_CHANX_CFG(0)); + rvu_write64(rvu, blkaddr, NIX_AF_RX_CHANX_CFG(0), cfg); +} |