return false;
}
+static inline int cgx_fwi_get_mkex_prfl_sz(u64 *prfl_sz,
+ struct cgx *cgx)
+{
+ u64 req = 0;
+ u64 resp;
+ int err;
+
+ req = FIELD_SET(CMDREG_ID, CGX_CMD_GET_MKEX_PRFL_SIZE, req);
+ err = cgx_fwi_cmd_generic(req, &resp, cgx, 0);
+ if (!err)
+ *prfl_sz = FIELD_GET(RESP_MKEX_PRFL_SIZE, resp);
+
+ return err;
+}
+
+static inline int cgx_fwi_get_mkex_prfl_addr(u64 *prfl_addr,
+ struct cgx *cgx)
+{
+ u64 req = 0;
+ u64 resp;
+ int err;
+
+ req = FIELD_SET(CMDREG_ID, CGX_CMD_GET_MKEX_PRFL_ADDR, req);
+ err = cgx_fwi_cmd_generic(req, &resp, cgx, 0);
+ if (!err)
+ *prfl_addr = FIELD_GET(RESP_MKEX_PRFL_ADDR, resp);
+
+ return err;
+}
+
+int cgx_get_mkex_prfl_info(u64 *addr, u64 *size)
+{
+ struct cgx *cgx_dev;
+ int err;
+
+ if (!addr || !size)
+ return -EINVAL;
+
+ cgx_dev = list_first_entry(&cgx_list, struct cgx, cgx_list);
+ if (!cgx_dev)
+ return -ENXIO;
+
+ err = cgx_fwi_get_mkex_prfl_sz(size, cgx_dev);
+ if (err)
+ return -EIO;
+
+ err = cgx_fwi_get_mkex_prfl_addr(addr, cgx_dev);
+ if (err)
+ return -EIO;
+
+ return 0;
+}
+EXPORT_SYMBOL(cgx_get_mkex_prfl_info);
+
static irqreturn_t cgx_fwi_event_handler(int irq, void *data)
{
struct lmac *lmac = data;
MODULE_VERSION(DRV_VERSION);
MODULE_DEVICE_TABLE(pci, rvu_id_table);
+static char *mkex_profile; /* MKEX profile name */
+module_param(mkex_profile, charp, 0000);
+MODULE_PARM_DESC(mkex_profile, "MKEX profile name string");
+
/* Poll a RVU block's register 'offset', for a 'zero'
* or 'nonzero' at bits specified by 'mask'
*/
pci_disable_sriov(rvu->pdev);
}
+static void rvu_update_module_params(struct rvu *rvu)
+{
+ const char *default_pfl_name = "default";
+
+ strscpy(rvu->mkex_pfl_name,
+ mkex_profile ? mkex_profile : default_pfl_name, MKEX_NAME_LEN);
+}
+
static int rvu_probe(struct pci_dev *pdev, const struct pci_device_id *id)
{
struct device *dev = &pdev->dev;
goto err_release_regions;
}
+ /* Store module params in rvu structure */
+ rvu_update_module_params(rvu);
+
/* Check which blocks the HW supports */
rvu_check_block_implemented(rvu);
#include "rvu_reg.h"
#include "rvu.h"
#include "npc.h"
+#include "cgx.h"
#include "npc_profile.h"
#define RSVD_MCAM_ENTRIES_PER_PF 2 /* Bcast & Promisc */
SET_KEX_LD(NIX_INTF_RX, NPC_LID_LD, NPC_LT_LD_TCP, 1, cfg);
}
+static void npc_program_mkex_profile(struct rvu *rvu, int blkaddr,
+ struct npc_mcam_kex *mkex)
+{
+ int lid, lt, ld, fl;
+
+ rvu_write64(rvu, blkaddr, NPC_AF_INTFX_KEX_CFG(NIX_INTF_RX),
+ mkex->keyx_cfg[NIX_INTF_RX]);
+ rvu_write64(rvu, blkaddr, NPC_AF_INTFX_KEX_CFG(NIX_INTF_TX),
+ mkex->keyx_cfg[NIX_INTF_TX]);
+
+ for (ld = 0; ld < NPC_MAX_LD; ld++)
+ rvu_write64(rvu, blkaddr, NPC_AF_KEX_LDATAX_FLAGS_CFG(ld),
+ mkex->kex_ld_flags[ld]);
+
+ for (lid = 0; lid < NPC_MAX_LID; lid++) {
+ for (lt = 0; lt < NPC_MAX_LT; lt++) {
+ for (ld = 0; ld < NPC_MAX_LD; ld++) {
+ SET_KEX_LD(NIX_INTF_RX, lid, lt, ld,
+ mkex->intf_lid_lt_ld[NIX_INTF_RX]
+ [lid][lt][ld]);
+
+ SET_KEX_LD(NIX_INTF_TX, lid, lt, ld,
+ mkex->intf_lid_lt_ld[NIX_INTF_TX]
+ [lid][lt][ld]);
+ }
+ }
+ }
+
+ for (ld = 0; ld < NPC_MAX_LD; ld++) {
+ for (fl = 0; fl < NPC_MAX_LFL; fl++) {
+ SET_KEX_LDFLAGS(NIX_INTF_RX, ld, fl,
+ mkex->intf_ld_flags[NIX_INTF_RX]
+ [ld][fl]);
+
+ SET_KEX_LDFLAGS(NIX_INTF_TX, ld, fl,
+ mkex->intf_ld_flags[NIX_INTF_TX]
+ [ld][fl]);
+ }
+ }
+}
+
+/* strtoull of "mkexprof" with base:36 */
+#define MKEX_SIGN 0x19bbfdbd15f
+#define MKEX_END_SIGN 0xdeadbeef
+
+static void npc_load_mkex_profile(struct rvu *rvu, int blkaddr)
+{
+ const char *mkex_profile = rvu->mkex_pfl_name;
+ struct device *dev = &rvu->pdev->dev;
+ void __iomem *mkex_prfl_addr = NULL;
+ struct npc_mcam_kex *mcam_kex;
+ u64 prfl_addr;
+ u64 prfl_sz;
+
+ /* If user not selected mkex profile */
+ if (!strncmp(mkex_profile, "default", MKEX_NAME_LEN))
+ goto load_default;
+
+ if (cgx_get_mkex_prfl_info(&prfl_addr, &prfl_sz))
+ goto load_default;
+
+ if (!prfl_addr || !prfl_sz)
+ goto load_default;
+
+ mkex_prfl_addr = ioremap_wc(prfl_addr, prfl_sz);
+ if (!mkex_prfl_addr)
+ goto load_default;
+
+ mcam_kex = (struct npc_mcam_kex *)mkex_prfl_addr;
+
+ while (((s64)prfl_sz > 0) && (mcam_kex->mkex_sign != MKEX_END_SIGN)) {
+ /* Compare with mkex mod_param name string */
+ if (mcam_kex->mkex_sign == MKEX_SIGN &&
+ !strncmp(mcam_kex->name, mkex_profile, MKEX_NAME_LEN)) {
+ /* Due to an errata (35786) in A0 pass silicon,
+ * parse nibble enable configuration has to be
+ * identical for both Rx and Tx interfaces.
+ */
+ if (is_rvu_9xxx_A0(rvu) &&
+ mcam_kex->keyx_cfg[NIX_INTF_RX] !=
+ mcam_kex->keyx_cfg[NIX_INTF_TX])
+ goto load_default;
+
+ /* Program selected mkex profile */
+ npc_program_mkex_profile(rvu, blkaddr, mcam_kex);
+
+ goto unmap;
+ }
+
+ mcam_kex++;
+ prfl_sz -= sizeof(struct npc_mcam_kex);
+ }
+ dev_warn(dev, "Failed to load requested profile: %s\n",
+ rvu->mkex_pfl_name);
+
+load_default:
+ dev_info(rvu->dev, "Using default mkex profile\n");
+ /* Config packet data and flags extraction into PARSE result */
+ npc_config_ldata_extract(rvu, blkaddr);
+
+unmap:
+ if (mkex_prfl_addr)
+ iounmap(mkex_prfl_addr);
+}
+
static void npc_config_kpuaction(struct rvu *rvu, int blkaddr,
struct npc_kpu_profile_action *kpuaction,
int kpu, int entry, bool pkind)
if (err)
return err;
- /* Config packet data and flags extraction into PARSE result */
- npc_config_ldata_extract(rvu, blkaddr);
+ /* Configure MKEX profile */
+ npc_load_mkex_profile(rvu, blkaddr);
/* Set TX miss action to UCAST_DEFAULT i.e
* transmit the packet on NIX LF SQ's default channel.
GET_KEX_LDFLAGS(NIX_INTF_TX, ld, fl);
}
}
+ memcpy(rsp->mkex_pfl_name, rvu->mkex_pfl_name, MKEX_NAME_LEN);
return 0;
}
projects / users / jedix / linux-maple.git / commitdiff