rtl8211F_led_control

hc

2024-05-11 297b60346df8beafee954a0fd7c2d64f33f3b9bc

 kernel/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c
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@@ -187,8 +187,8 @@
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 static int nix_interface_init(struct rvu *rvu, u16 pcifunc, int type, int nixlf)
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 {
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 	struct rvu_pfvf *pfvf = rvu_get_pfvf(rvu, pcifunc);
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+	int pkind, pf, vf, lbkid;
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 	u8 cgx_id, lmac_id;
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-	int pkind, pf, vf;
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 	int err;
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 	pf = rvu_get_pf(pcifunc);
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@@ -221,13 +221,24 @@
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 	case NIX_INTF_TYPE_LBK:
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 		vf = (pcifunc & RVU_PFVF_FUNC_MASK) - 1;
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+		/* If NIX1 block is present on the silicon then NIXes are
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+		 * assigned alternatively for lbk interfaces. NIX0 should
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+		 * send packets on lbk link 1 channels and NIX1 should send
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+		 * on lbk link 0 channels for the communication between
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+		 * NIX0 and NIX1.
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+		 */
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+		lbkid = 0;
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+		if (rvu->hw->lbk_links > 1)
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+			lbkid = vf & 0x1 ? 0 : 1;
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+
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 		/* Note that AF's VFs work in pairs and talk over consecutive
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 		 * loopback channels.Therefore if odd number of AF VFs are
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 		 * enabled then the last VF remains with no pair.
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 		 */
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-		pfvf->rx_chan_base = NIX_CHAN_LBK_CHX(0, vf);
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-		pfvf->tx_chan_base = vf & 0x1 ? NIX_CHAN_LBK_CHX(0, vf - 1) :
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-						NIX_CHAN_LBK_CHX(0, vf + 1);
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+		pfvf->rx_chan_base = NIX_CHAN_LBK_CHX(lbkid, vf);
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+		pfvf->tx_chan_base = vf & 0x1 ?
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+					NIX_CHAN_LBK_CHX(lbkid, vf - 1) :
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+					NIX_CHAN_LBK_CHX(lbkid, vf + 1);
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 		pfvf->rx_chan_cnt = 1;
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 		pfvf->tx_chan_cnt = 1;
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 		rvu_npc_install_promisc_entry(rvu, pcifunc, nixlf,
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@@ -1374,7 +1385,8 @@
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 		free_cnt = rvu_rsrc_free_count(&txsch->schq);
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 	}
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-	if (free_cnt < req_schq || req_schq > MAX_TXSCHQ_PER_FUNC)
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+	if (free_cnt < req_schq || req->schq[lvl] > MAX_TXSCHQ_PER_FUNC ||
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+	    req->schq_contig[lvl] > MAX_TXSCHQ_PER_FUNC)
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 		return NIX_AF_ERR_TLX_ALLOC_FAIL;
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 	/* If contiguous queues are needed, check for availability */
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@@ -2864,9 +2876,10 @@
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 	if (link < 0)
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 		return NIX_AF_ERR_RX_LINK_INVALID;
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-	nix_find_link_frs(rvu, req, pcifunc);
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 linkcfg:
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+	nix_find_link_frs(rvu, req, pcifunc);
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+
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 	cfg = rvu_read64(rvu, blkaddr, NIX_AF_RX_LINKX_CFG(link));
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 	cfg = (cfg & ~(0xFFFFULL << 16)) | ((u64)req->maxlen << 16);
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 	if (req->update_minlen)
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@@ -3157,7 +3170,7 @@
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 	hw->cgx = (cfg >> 12) & 0xF;
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 	hw->lmac_per_cgx = (cfg >> 8) & 0xF;
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 	hw->cgx_links = hw->cgx * hw->lmac_per_cgx;
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-	hw->lbk_links = 1;
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+	hw->lbk_links = (cfg >> 24) & 0xF;
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 	hw->sdp_links = 1;
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 	/* Initialize admin queue */