aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c139
1 files changed, 118 insertions, 21 deletions
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c
index a8dfbb6d1774..d3000194e2d3 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c
@@ -16,6 +16,7 @@
#include "rvu.h"
#include "npc.h"
#include "cgx.h"
+#include "lmac_common.h"
static void nix_free_tx_vtag_entries(struct rvu *rvu, u16 pcifunc);
static int rvu_nix_get_bpid(struct rvu *rvu, struct nix_bp_cfg_req *req,
@@ -214,6 +215,7 @@ static bool is_valid_txschq(struct rvu *rvu, int blkaddr,
static int nix_interface_init(struct rvu *rvu, u16 pcifunc, int type, int nixlf)
{
struct rvu_pfvf *pfvf = rvu_get_pfvf(rvu, pcifunc);
+ struct mac_ops *mac_ops;
int pkind, pf, vf, lbkid;
u8 cgx_id, lmac_id;
int err;
@@ -233,17 +235,19 @@ static int nix_interface_init(struct rvu *rvu, u16 pcifunc, int type, int nixlf)
"PF_Func 0x%x: Invalid pkind\n", pcifunc);
return -EINVAL;
}
- pfvf->rx_chan_base = NIX_CHAN_CGX_LMAC_CHX(cgx_id, lmac_id, 0);
+ pfvf->rx_chan_base = rvu_nix_chan_cgx(rvu, cgx_id, lmac_id, 0);
pfvf->tx_chan_base = pfvf->rx_chan_base;
pfvf->rx_chan_cnt = 1;
pfvf->tx_chan_cnt = 1;
cgx_set_pkind(rvu_cgx_pdata(cgx_id, rvu), lmac_id, pkind);
rvu_npc_set_pkind(rvu, pkind, pfvf);
+ mac_ops = get_mac_ops(rvu_cgx_pdata(cgx_id, rvu));
/* By default we enable pause frames */
if ((pcifunc & RVU_PFVF_FUNC_MASK) == 0)
- cgx_lmac_set_pause_frm(rvu_cgx_pdata(cgx_id, rvu),
- lmac_id, true, true);
+ mac_ops->mac_enadis_pause_frm(rvu_cgx_pdata(cgx_id,
+ rvu),
+ lmac_id, true, true);
break;
case NIX_INTF_TYPE_LBK:
vf = (pcifunc & RVU_PFVF_FUNC_MASK) - 1;
@@ -262,10 +266,10 @@ static int nix_interface_init(struct rvu *rvu, u16 pcifunc, int type, int nixlf)
* loopback channels.Therefore if odd number of AF VFs are
* enabled then the last VF remains with no pair.
*/
- pfvf->rx_chan_base = NIX_CHAN_LBK_CHX(lbkid, vf);
+ pfvf->rx_chan_base = rvu_nix_chan_lbk(rvu, lbkid, vf);
pfvf->tx_chan_base = vf & 0x1 ?
- NIX_CHAN_LBK_CHX(lbkid, vf - 1) :
- NIX_CHAN_LBK_CHX(lbkid, vf + 1);
+ rvu_nix_chan_lbk(rvu, lbkid, vf - 1) :
+ rvu_nix_chan_lbk(rvu, lbkid, vf + 1);
pfvf->rx_chan_cnt = 1;
pfvf->tx_chan_cnt = 1;
rvu_npc_install_promisc_entry(rvu, pcifunc, nixlf,
@@ -1000,6 +1004,14 @@ int rvu_mbox_handler_nix_aq_enq(struct rvu *rvu,
return rvu_nix_aq_enq_inst(rvu, req, rsp);
}
#endif
+/* CN10K mbox handler */
+int rvu_mbox_handler_nix_cn10k_aq_enq(struct rvu *rvu,
+ struct nix_cn10k_aq_enq_req *req,
+ struct nix_cn10k_aq_enq_rsp *rsp)
+{
+ return rvu_nix_aq_enq_inst(rvu, (struct nix_aq_enq_req *)req,
+ (struct nix_aq_enq_rsp *)rsp);
+}
int rvu_mbox_handler_nix_hwctx_disable(struct rvu *rvu,
struct hwctx_disable_req *req,
@@ -2535,6 +2547,43 @@ static int nix_af_mark_format_setup(struct rvu *rvu, struct nix_hw *nix_hw,
return 0;
}
+static void rvu_get_lbk_link_max_frs(struct rvu *rvu, u16 *max_mtu)
+{
+ /* CN10K supports LBK FIFO size 72 KB */
+ if (rvu->hw->lbk_bufsize == 0x12000)
+ *max_mtu = CN10K_LBK_LINK_MAX_FRS;
+ else
+ *max_mtu = NIC_HW_MAX_FRS;
+}
+
+static void rvu_get_lmac_link_max_frs(struct rvu *rvu, u16 *max_mtu)
+{
+ /* RPM supports FIFO len 128 KB */
+ if (rvu_cgx_get_fifolen(rvu) == 0x20000)
+ *max_mtu = CN10K_LMAC_LINK_MAX_FRS;
+ else
+ *max_mtu = NIC_HW_MAX_FRS;
+}
+
+int rvu_mbox_handler_nix_get_hw_info(struct rvu *rvu, struct msg_req *req,
+ struct nix_hw_info *rsp)
+{
+ u16 pcifunc = req->hdr.pcifunc;
+ int blkaddr;
+
+ blkaddr = rvu_get_blkaddr(rvu, BLKTYPE_NIX, pcifunc);
+ if (blkaddr < 0)
+ return NIX_AF_ERR_AF_LF_INVALID;
+
+ if (is_afvf(pcifunc))
+ rvu_get_lbk_link_max_frs(rvu, &rsp->max_mtu);
+ else
+ rvu_get_lmac_link_max_frs(rvu, &rsp->max_mtu);
+
+ rsp->min_mtu = NIC_HW_MIN_FRS;
+ return 0;
+}
+
int rvu_mbox_handler_nix_stats_rst(struct rvu *rvu, struct msg_req *req,
struct msg_rsp *rsp)
{
@@ -2580,6 +2629,7 @@ static int set_flowkey_fields(struct nix_rx_flowkey_alg *alg, u32 flow_cfg)
struct nix_rx_flowkey_alg *field;
struct nix_rx_flowkey_alg tmp;
u32 key_type, valid_key;
+ int l4_key_offset;
if (!alg)
return -EINVAL;
@@ -2712,6 +2762,12 @@ static int set_flowkey_fields(struct nix_rx_flowkey_alg *alg, u32 flow_cfg)
field_marker = false;
keyoff_marker = false;
}
+
+ /* TCP/UDP/SCTP and ESP/AH falls at same offset so
+ * remember the TCP key offset of 40 byte hash key.
+ */
+ if (key_type == NIX_FLOW_KEY_TYPE_TCP)
+ l4_key_offset = key_off;
break;
case NIX_FLOW_KEY_TYPE_NVGRE:
field->lid = NPC_LID_LD;
@@ -2783,11 +2839,31 @@ static int set_flowkey_fields(struct nix_rx_flowkey_alg *alg, u32 flow_cfg)
field->ltype_mask = 0xF;
field->fn_mask = 1; /* Mask out the first nibble */
break;
+ case NIX_FLOW_KEY_TYPE_AH:
+ case NIX_FLOW_KEY_TYPE_ESP:
+ field->hdr_offset = 0;
+ field->bytesm1 = 7; /* SPI + sequence number */
+ field->ltype_mask = 0xF;
+ field->lid = NPC_LID_LE;
+ field->ltype_match = NPC_LT_LE_ESP;
+ if (key_type == NIX_FLOW_KEY_TYPE_AH) {
+ field->lid = NPC_LID_LD;
+ field->ltype_match = NPC_LT_LD_AH;
+ field->hdr_offset = 4;
+ keyoff_marker = false;
+ }
+ break;
}
field->ena = 1;
/* Found a valid flow key type */
if (valid_key) {
+ /* Use the key offset of TCP/UDP/SCTP fields
+ * for ESP/AH fields.
+ */
+ if (key_type == NIX_FLOW_KEY_TYPE_ESP ||
+ key_type == NIX_FLOW_KEY_TYPE_AH)
+ key_off = l4_key_offset;
field->key_offset = key_off;
memcpy(&alg[nr_field], field, sizeof(*field));
max_key_off = max(max_key_off, field->bytesm1 + 1);
@@ -3072,6 +3148,7 @@ int rvu_mbox_handler_nix_set_hw_frs(struct rvu *rvu, struct nix_frs_cfg *req,
u64 cfg, lmac_fifo_len;
struct nix_hw *nix_hw;
u8 cgx = 0, lmac = 0;
+ u16 max_mtu;
blkaddr = rvu_get_blkaddr(rvu, BLKTYPE_NIX, pcifunc);
if (blkaddr < 0)
@@ -3081,7 +3158,12 @@ int rvu_mbox_handler_nix_set_hw_frs(struct rvu *rvu, struct nix_frs_cfg *req,
if (!nix_hw)
return -EINVAL;
- if (!req->sdp_link && req->maxlen > NIC_HW_MAX_FRS)
+ if (is_afvf(pcifunc))
+ rvu_get_lbk_link_max_frs(rvu, &max_mtu);
+ else
+ rvu_get_lmac_link_max_frs(rvu, &max_mtu);
+
+ if (!req->sdp_link && req->maxlen > max_mtu)
return NIX_AF_ERR_FRS_INVALID;
if (req->update_minlen && req->minlen < NIC_HW_MIN_FRS)
@@ -3141,7 +3223,8 @@ linkcfg:
/* Update transmit credits for CGX links */
lmac_fifo_len =
- CGX_FIFO_LEN / cgx_get_lmac_cnt(rvu_cgx_pdata(cgx, rvu));
+ rvu_cgx_get_fifolen(rvu) /
+ cgx_get_lmac_cnt(rvu_cgx_pdata(cgx, rvu));
cfg = rvu_read64(rvu, blkaddr, NIX_AF_TX_LINKX_NORM_CREDIT(link));
cfg &= ~(0xFFFFFULL << 12);
cfg |= ((lmac_fifo_len - req->maxlen) / 16) << 12;
@@ -3181,23 +3264,40 @@ int rvu_mbox_handler_nix_set_rx_cfg(struct rvu *rvu, struct nix_rx_cfg *req,
return 0;
}
+static u64 rvu_get_lbk_link_credits(struct rvu *rvu, u16 lbk_max_frs)
+{
+ /* CN10k supports 72KB FIFO size and max packet size of 64k */
+ if (rvu->hw->lbk_bufsize == 0x12000)
+ return (rvu->hw->lbk_bufsize - lbk_max_frs) / 16;
+
+ return 1600; /* 16 * max LBK datarate = 16 * 100Gbps */
+}
+
static void nix_link_config(struct rvu *rvu, int blkaddr)
{
struct rvu_hwinfo *hw = rvu->hw;
int cgx, lmac_cnt, slink, link;
+ u16 lbk_max_frs, lmac_max_frs;
u64 tx_credits;
+ rvu_get_lbk_link_max_frs(rvu, &lbk_max_frs);
+ rvu_get_lmac_link_max_frs(rvu, &lmac_max_frs);
+
/* Set default min/max packet lengths allowed on NIX Rx links.
*
* With HW reset minlen value of 60byte, HW will treat ARP pkts
* as undersize and report them to SW as error pkts, hence
* setting it to 40 bytes.
*/
- for (link = 0; link < (hw->cgx_links + hw->lbk_links); link++) {
+ for (link = 0; link < hw->cgx_links; link++) {
rvu_write64(rvu, blkaddr, NIX_AF_RX_LINKX_CFG(link),
- NIC_HW_MAX_FRS << 16 | NIC_HW_MIN_FRS);
+ ((u64)lmac_max_frs << 16) | NIC_HW_MIN_FRS);
}
+ for (link = hw->cgx_links; link < hw->lbk_links; link++) {
+ rvu_write64(rvu, blkaddr, NIX_AF_RX_LINKX_CFG(link),
+ ((u64)lbk_max_frs << 16) | NIC_HW_MIN_FRS);
+ }
if (hw->sdp_links) {
link = hw->cgx_links + hw->lbk_links;
rvu_write64(rvu, blkaddr, NIX_AF_RX_LINKX_CFG(link),
@@ -3209,7 +3309,8 @@ static void nix_link_config(struct rvu *rvu, int blkaddr)
*/
for (cgx = 0; cgx < hw->cgx; cgx++) {
lmac_cnt = cgx_get_lmac_cnt(rvu_cgx_pdata(cgx, rvu));
- tx_credits = ((CGX_FIFO_LEN / lmac_cnt) - NIC_HW_MAX_FRS) / 16;
+ tx_credits = ((rvu_cgx_get_fifolen(rvu) / lmac_cnt) -
+ lmac_max_frs) / 16;
/* Enable credits and set credit pkt count to max allowed */
tx_credits = (tx_credits << 12) | (0x1FF << 2) | BIT_ULL(1);
slink = cgx * hw->lmac_per_cgx;
@@ -3223,7 +3324,7 @@ static void nix_link_config(struct rvu *rvu, int blkaddr)
/* Set Tx credits for LBK link */
slink = hw->cgx_links;
for (link = slink; link < (slink + hw->lbk_links); link++) {
- tx_credits = 1000; /* 10 * max LBK datarate = 10 * 100Gbps */
+ tx_credits = rvu_get_lbk_link_credits(rvu, lbk_max_frs);
/* Enable credits and set credit pkt count to max allowed */
tx_credits = (tx_credits << 12) | (0x1FF << 2) | BIT_ULL(1);
rvu_write64(rvu, blkaddr,
@@ -3354,14 +3455,6 @@ static int rvu_nix_block_init(struct rvu *rvu, struct nix_hw *nix_hw)
if (err)
return err;
- /* Set num of links of each type */
- cfg = rvu_read64(rvu, blkaddr, NIX_AF_CONST);
- hw->cgx = (cfg >> 12) & 0xF;
- hw->lmac_per_cgx = (cfg >> 8) & 0xF;
- hw->cgx_links = hw->cgx * hw->lmac_per_cgx;
- hw->lbk_links = (cfg >> 24) & 0xF;
- hw->sdp_links = 1;
-
/* Initialize admin queue */
err = nix_aq_init(rvu, block);
if (err)
@@ -3596,10 +3689,14 @@ static int rvu_nix_lf_ptp_tx_cfg(struct rvu *rvu, u16 pcifunc, bool enable)
{
struct rvu_hwinfo *hw = rvu->hw;
struct rvu_block *block;
- int blkaddr;
+ int blkaddr, pf;
int nixlf;
u64 cfg;
+ pf = rvu_get_pf(pcifunc);
+ if (!is_mac_feature_supported(rvu, pf, RVU_LMAC_FEAT_PTP))
+ return 0;
+
blkaddr = rvu_get_blkaddr(rvu, BLKTYPE_NIX, pcifunc);
if (blkaddr < 0)
return NIX_AF_ERR_AF_LF_INVALID;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.