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| author | David S. Miller <davem@davemloft.net> | 2020-03-02 11:08:52 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-03-02 11:08:52 -0800 |
| commit | aeaf0cc5b7b4ac37d782aa999d41b2cb68377e1b (patch) | |
| tree | c0d06fc96bee3f59dae86ebf8b0283e8ef25a780 /drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c | |
| parent | 48938b1e50270047566025bdc43700e71cc5e6c5 (diff) | |
| parent | dc819c1bc3e1ff04472d5139b1c2900b5f260008 (diff) | |
| download | linux-aeaf0cc5b7b4ac37d782aa999d41b2cb68377e1b.tar.bz2 | |
Merge branch 'octeontx2-Flow-control-support-and-other-misc-changes'
Sunil Goutham says:
====================
octeontx2: Flow control support and other misc changes
This patch series adds flow control support (802.3 pause frames) and
has other changes wrt generic admin function (AF) driver functionality.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c')
| -rw-r--r-- | drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c index 85f9b9ba6bd5..22f9a326fd81 100644 --- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c +++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c @@ -148,6 +148,9 @@ static void otx2_process_pfaf_mbox_msg(struct otx2_nic *pf, mbox_handler_nix_txsch_alloc(pf, (struct nix_txsch_alloc_rsp *)msg); break; + case MBOX_MSG_NIX_BP_ENABLE: + mbox_handler_nix_bp_enable(pf, (struct nix_bp_cfg_rsp *)msg); + break; case MBOX_MSG_CGX_STATS: mbox_handler_cgx_stats(pf, (struct cgx_stats_rsp *)msg); break; @@ -654,6 +657,9 @@ static int otx2_init_hw_resources(struct otx2_nic *pf) if (err) goto err_free_npa_lf; + /* Enable backpressure */ + otx2_nix_config_bp(pf, true); + /* Init Auras and pools used by NIX RQ, for free buffer ptrs */ err = otx2_rq_aura_pool_init(pf); if (err) { @@ -737,6 +743,12 @@ static void otx2_free_hw_resources(struct otx2_nic *pf) if (err) dev_err(pf->dev, "RVUPF: Failed to stop/free TX schedulers\n"); + otx2_mbox_lock(mbox); + /* Disable backpressure */ + if (!(pf->pcifunc & RVU_PFVF_FUNC_MASK)) + otx2_nix_config_bp(pf, false); + otx2_mbox_unlock(mbox); + /* Disable RQs */ otx2_ctx_disable(mbox, NIX_AQ_CTYPE_RQ, false); |