diff options
| author | Sunil Goutham <sgoutham@marvell.com> | 2021-08-25 15:18:46 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-08-25 15:39:02 +0300 |
| commit | 66c312ea1d3749783440f12e8dfb6db45512ea14 (patch) | |
| tree | 2fecdd24be4090eb1e78ed0c25d1d0cc01d78d04 /drivers/net/ethernet/marvell | |
| parent | 18603683d7663b3a4da31ce8296a3049f4464e50 (diff) | |
| download | linux-66c312ea1d3749783440f12e8dfb6db45512ea14.tar.xz | |
octeontx2-af: Add mbox to retrieve bandwidth profile free count
Added mbox for PF/VF drivers to retrieve current ingress bandwidth
profile free count. Also added current policer timeunit
configuration info based on which ratelimiting decisions can be
taken by PF/VF drivers.
Signed-off-by: Sunil Goutham <sgoutham@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/marvell')
| -rw-r--r-- | drivers/net/ethernet/marvell/octeontx2/af/mbox.h | 10 | ||||
| -rw-r--r-- | drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c | 33 |
2 files changed, 42 insertions, 1 deletions
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/mbox.h b/drivers/net/ethernet/marvell/octeontx2/af/mbox.h index bc9cd1de2872..ef3c41cf3413 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/mbox.h +++ b/drivers/net/ethernet/marvell/octeontx2/af/mbox.h @@ -279,7 +279,9 @@ M(NIX_GET_HW_INFO, 0x801c, nix_get_hw_info, msg_req, nix_hw_info) \ M(NIX_BANDPROF_ALLOC, 0x801d, nix_bandprof_alloc, nix_bandprof_alloc_req, \ nix_bandprof_alloc_rsp) \ M(NIX_BANDPROF_FREE, 0x801e, nix_bandprof_free, nix_bandprof_free_req, \ - msg_rsp) + msg_rsp) \ +M(NIX_BANDPROF_GET_HWINFO, 0x801f, nix_bandprof_get_hwinfo, msg_req, \ + nix_bandprof_get_hwinfo_rsp) /* Messages initiated by AF (range 0xC00 - 0xDFF) */ #define MBOX_UP_CGX_MESSAGES \ @@ -1101,6 +1103,12 @@ struct nix_bandprof_free_req { u16 prof_idx[BAND_PROF_NUM_LAYERS][MAX_BANDPROF_PER_PFFUNC]; }; +struct nix_bandprof_get_hwinfo_rsp { + struct mbox_msghdr hdr; + u16 prof_count[BAND_PROF_NUM_LAYERS]; + u32 policer_timeunit; +}; + /* NPC mbox message structs */ #define NPC_MCAM_ENTRY_INVALID 0xFFFF diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c index c2eb3b0c2f53..dfa933c5fcd1 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c @@ -5173,3 +5173,36 @@ static void nix_clear_ratelimit_aggr(struct rvu *rvu, struct nix_hw *nix_hw, rvu_free_rsrc(&ipolicer->band_prof, mid_prof); } } + +int rvu_mbox_handler_nix_bandprof_get_hwinfo(struct rvu *rvu, struct msg_req *req, + struct nix_bandprof_get_hwinfo_rsp *rsp) +{ + struct nix_ipolicer *ipolicer; + int blkaddr, layer, err; + struct nix_hw *nix_hw; + u64 tu; + + if (!rvu->hw->cap.ipolicer) + return NIX_AF_ERR_IPOLICER_NOTSUPP; + + err = nix_get_struct_ptrs(rvu, req->hdr.pcifunc, &nix_hw, &blkaddr); + if (err) + return err; + + /* Return number of bandwidth profiles free at each layer */ + mutex_lock(&rvu->rsrc_lock); + for (layer = 0; layer < BAND_PROF_NUM_LAYERS; layer++) { + if (layer == BAND_PROF_INVAL_LAYER) + continue; + + ipolicer = &nix_hw->ipolicer[layer]; + rsp->prof_count[layer] = rvu_rsrc_free_count(&ipolicer->band_prof); + } + mutex_unlock(&rvu->rsrc_lock); + + /* Set the policer timeunit in nanosec */ + tu = rvu_read64(rvu, blkaddr, NIX_AF_PL_TS) & GENMASK_ULL(9, 0); + rsp->policer_timeunit = (tu + 1) * 100; + + return 0; +} |