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-rw-r--r--drivers/net/ethernet/marvell/octeontx2/af/rvu.c2
-rw-r--r--drivers/net/ethernet/marvell/octeontx2/af/rvu.h9
-rw-r--r--drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c128
3 files changed, 104 insertions, 35 deletions
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu.c
index 2f59983f461f..79b9553c61f8 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu.c
@@ -66,6 +66,7 @@ static void rvu_setup_hw_capabilities(struct rvu *rvu)
hw->cap.nix_shaping = true;
hw->cap.nix_tx_link_bp = true;
hw->cap.nix_rx_multicast = true;
+ hw->rvu = rvu;
if (is_rvu_96xx_B0(rvu)) {
hw->cap.nix_fixed_txschq_mapping = true;
@@ -812,6 +813,7 @@ static int rvu_setup_nix_hw_resource(struct rvu *rvu, int blkaddr)
block->msixcfg_reg = NIX_PRIV_LFX_INT_CFG;
block->lfreset_reg = NIX_AF_LF_RST;
sprintf(block->name, "NIX%d", blkid);
+ rvu->nix_blkaddr[blkid] = blkaddr;
return rvu_alloc_bitmap(&block->lf);
}
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu.h b/drivers/net/ethernet/marvell/octeontx2/af/rvu.h
index 0cb5093744fe..a419075a9328 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu.h
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu.h
@@ -28,6 +28,7 @@
#define PCI_MBOX_BAR_NUM 4
#define NAME_SIZE 32
+#define MAX_NIX_BLKS 2
/* PF_FUNC */
#define RVU_PFVF_PF_SHIFT 10
@@ -220,6 +221,8 @@ struct nix_lso {
};
struct nix_hw {
+ int blkaddr;
+ struct rvu *rvu;
struct nix_txsch txsch[NIX_TXSCH_LVL_CNT]; /* Tx schedulers */
struct nix_mcast mcast;
struct nix_flowkey flowkey;
@@ -255,7 +258,8 @@ struct rvu_hwinfo {
struct hw_cap cap;
struct rvu_block block[BLK_COUNT]; /* Block info */
- struct nix_hw *nix0;
+ struct nix_hw *nix;
+ struct rvu *rvu;
struct npc_pkind pkind;
struct npc_mcam mcam;
};
@@ -316,6 +320,7 @@ struct rvu {
struct rvu_pfvf *hwvf;
struct mutex rsrc_lock; /* Serialize resource alloc/free */
int vfs; /* Number of VFs attached to RVU */
+ int nix_blkaddr[MAX_NIX_BLKS];
/* Mbox */
struct mbox_wq_info afpf_wq_info;
@@ -487,6 +492,8 @@ int rvu_get_nixlf_count(struct rvu *rvu);
void rvu_nix_lf_teardown(struct rvu *rvu, u16 pcifunc, int blkaddr, int npalf);
int nix_get_nixlf(struct rvu *rvu, u16 pcifunc, int *nixlf, int *nix_blkaddr);
int nix_update_bcast_mce_list(struct rvu *rvu, u16 pcifunc, bool add);
+struct nix_hw *get_nix_hw(struct rvu_hwinfo *hw, int blkaddr);
+int rvu_get_next_nix_blkaddr(struct rvu *rvu, int blkaddr);
/* NPC APIs */
int rvu_npc_init(struct rvu *rvu);
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c
index 21a89dd76d3c..096c2e02f9a0 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c
@@ -68,6 +68,23 @@ struct mce {
u16 pcifunc;
};
+int rvu_get_next_nix_blkaddr(struct rvu *rvu, int blkaddr)
+{
+ int i = 0;
+
+ /*If blkaddr is 0, return the first nix block address*/
+ if (blkaddr == 0)
+ return rvu->nix_blkaddr[blkaddr];
+
+ while (i + 1 < MAX_NIX_BLKS) {
+ if (rvu->nix_blkaddr[i] == blkaddr)
+ return rvu->nix_blkaddr[i + 1];
+ i++;
+ }
+
+ return 0;
+}
+
bool is_nixlf_attached(struct rvu *rvu, u16 pcifunc)
{
struct rvu_pfvf *pfvf = rvu_get_pfvf(rvu, pcifunc);
@@ -81,14 +98,16 @@ bool is_nixlf_attached(struct rvu *rvu, u16 pcifunc)
int rvu_get_nixlf_count(struct rvu *rvu)
{
+ int blkaddr = 0, max = 0;
struct rvu_block *block;
- int blkaddr;
- blkaddr = rvu_get_blkaddr(rvu, BLKTYPE_NIX, 0);
- if (blkaddr < 0)
- return 0;
- block = &rvu->hw->block[blkaddr];
- return block->lf.max;
+ blkaddr = rvu_get_next_nix_blkaddr(rvu, blkaddr);
+ while (blkaddr) {
+ block = &rvu->hw->block[blkaddr];
+ max += block->lf.max;
+ blkaddr = rvu_get_next_nix_blkaddr(rvu, blkaddr);
+ }
+ return max;
}
int nix_get_nixlf(struct rvu *rvu, u16 pcifunc, int *nixlf, int *nix_blkaddr)
@@ -130,11 +149,18 @@ static u16 nix_alloc_mce_list(struct nix_mcast *mcast, int count)
return idx;
}
-static inline struct nix_hw *get_nix_hw(struct rvu_hwinfo *hw, int blkaddr)
+struct nix_hw *get_nix_hw(struct rvu_hwinfo *hw, int blkaddr)
{
- if (blkaddr == BLKADDR_NIX0 && hw->nix0)
- return hw->nix0;
+ int nix_blkaddr = 0, i = 0;
+ struct rvu *rvu = hw->rvu;
+ nix_blkaddr = rvu_get_next_nix_blkaddr(rvu, nix_blkaddr);
+ while (nix_blkaddr) {
+ if (blkaddr == nix_blkaddr && hw->nix)
+ return &hw->nix[i];
+ nix_blkaddr = rvu_get_next_nix_blkaddr(rvu, nix_blkaddr);
+ i++;
+ }
return NULL;
}
@@ -622,6 +648,7 @@ static int rvu_nix_aq_enq_inst(struct rvu *rvu, struct nix_aq_enq_req *req,
struct rvu_block *block;
struct admin_queue *aq;
struct rvu_pfvf *pfvf;
+ struct nix_hw *nix_hw;
void *ctx, *mask;
bool ena;
u64 cfg;
@@ -637,6 +664,10 @@ static int rvu_nix_aq_enq_inst(struct rvu *rvu, struct nix_aq_enq_req *req,
return NIX_AF_ERR_AQ_ENQUEUE;
}
+ nix_hw = get_nix_hw(rvu->hw, blkaddr);
+ if (!nix_hw)
+ return -EINVAL;
+
pfvf = rvu_get_pfvf(rvu, pcifunc);
nixlf = rvu_get_lf(rvu, block, pcifunc, 0);
@@ -669,8 +700,9 @@ static int rvu_nix_aq_enq_inst(struct rvu *rvu, struct nix_aq_enq_req *req,
break;
case NIX_AQ_CTYPE_MCE:
cfg = rvu_read64(rvu, blkaddr, NIX_AF_RX_MCAST_CFG);
+
/* Check if index exceeds MCE list length */
- if (!hw->nix0->mcast.mce_ctx ||
+ if (!nix_hw->mcast.mce_ctx ||
(req->qidx >= (256UL << (cfg & 0xF))))
rc = NIX_AF_ERR_AQ_ENQUEUE;
@@ -3109,17 +3141,15 @@ static int nix_aq_init(struct rvu *rvu, struct rvu_block *block)
return 0;
}
-int rvu_nix_init(struct rvu *rvu)
+static int rvu_nix_block_init(struct rvu *rvu, struct nix_hw *nix_hw)
{
const struct npc_lt_def_cfg *ltdefs;
struct rvu_hwinfo *hw = rvu->hw;
+ int blkaddr = nix_hw->blkaddr;
struct rvu_block *block;
- int blkaddr, err;
+ int err;
u64 cfg;
- blkaddr = rvu_get_blkaddr(rvu, BLKTYPE_NIX, 0);
- if (blkaddr < 0)
- return 0;
block = &hw->block[blkaddr];
if (is_rvu_96xx_B0(rvu)) {
@@ -3164,26 +3194,21 @@ int rvu_nix_init(struct rvu *rvu)
/* Restore CINT timer delay to HW reset values */
rvu_write64(rvu, blkaddr, NIX_AF_CINT_DELAY, 0x0ULL);
- if (blkaddr == BLKADDR_NIX0) {
- hw->nix0 = devm_kzalloc(rvu->dev,
- sizeof(struct nix_hw), GFP_KERNEL);
- if (!hw->nix0)
- return -ENOMEM;
-
- err = nix_setup_txschq(rvu, hw->nix0, blkaddr);
+ if (is_block_implemented(hw, blkaddr)) {
+ err = nix_setup_txschq(rvu, nix_hw, blkaddr);
if (err)
return err;
- err = nix_af_mark_format_setup(rvu, hw->nix0, blkaddr);
+ err = nix_af_mark_format_setup(rvu, nix_hw, blkaddr);
if (err)
return err;
- err = nix_setup_mcast(rvu, hw->nix0, blkaddr);
+ err = nix_setup_mcast(rvu, nix_hw, blkaddr);
if (err)
return err;
/* Configure segmentation offload formats */
- nix_setup_lso(rvu, hw->nix0, blkaddr);
+ nix_setup_lso(rvu, nix_hw, blkaddr);
/* Config Outer/Inner L2, IP, TCP, UDP and SCTP NPC layer info.
* This helps HW protocol checker to identify headers
@@ -3236,23 +3261,44 @@ int rvu_nix_init(struct rvu *rvu)
return 0;
}
-void rvu_nix_freemem(struct rvu *rvu)
+int rvu_nix_init(struct rvu *rvu)
{
struct rvu_hwinfo *hw = rvu->hw;
- struct rvu_block *block;
+ struct nix_hw *nix_hw;
+ int blkaddr = 0, err;
+ int i = 0;
+
+ hw->nix = devm_kcalloc(rvu->dev, MAX_NIX_BLKS, sizeof(struct nix_hw),
+ GFP_KERNEL);
+ if (!hw->nix)
+ return -ENOMEM;
+
+ blkaddr = rvu_get_next_nix_blkaddr(rvu, blkaddr);
+ while (blkaddr) {
+ nix_hw = &hw->nix[i];
+ nix_hw->rvu = rvu;
+ nix_hw->blkaddr = blkaddr;
+ err = rvu_nix_block_init(rvu, nix_hw);
+ if (err)
+ return err;
+ blkaddr = rvu_get_next_nix_blkaddr(rvu, blkaddr);
+ i++;
+ }
+
+ return 0;
+}
+
+static void rvu_nix_block_freemem(struct rvu *rvu, int blkaddr,
+ struct rvu_block *block)
+{
struct nix_txsch *txsch;
struct nix_mcast *mcast;
struct nix_hw *nix_hw;
- int blkaddr, lvl;
+ int lvl;
- blkaddr = rvu_get_blkaddr(rvu, BLKTYPE_NIX, 0);
- if (blkaddr < 0)
- return;
-
- block = &hw->block[blkaddr];
rvu_aq_free(rvu, block->aq);
- if (blkaddr == BLKADDR_NIX0) {
+ if (is_block_implemented(rvu->hw, blkaddr)) {
nix_hw = get_nix_hw(rvu->hw, blkaddr);
if (!nix_hw)
return;
@@ -3269,6 +3315,20 @@ void rvu_nix_freemem(struct rvu *rvu)
}
}
+void rvu_nix_freemem(struct rvu *rvu)
+{
+ struct rvu_hwinfo *hw = rvu->hw;
+ struct rvu_block *block;
+ int blkaddr = 0;
+
+ blkaddr = rvu_get_next_nix_blkaddr(rvu, blkaddr);
+ while (blkaddr) {
+ block = &hw->block[blkaddr];
+ rvu_nix_block_freemem(rvu, blkaddr, block);
+ blkaddr = rvu_get_next_nix_blkaddr(rvu, blkaddr);
+ }
+}
+
int rvu_mbox_handler_nix_lf_start_rx(struct rvu *rvu, struct msg_req *req,
struct msg_rsp *rsp)
{
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.