[v5,24/48] igb: Add more definitions for Tx descriptor

Commit Message

Akihiko Odaki May 23, 2023, 2:43 a.m. UTC

Signed-off-by: Akihiko Odaki <[e-mail]>
Reviewed-by: Sriram Yagnaraman <[e-mail]>
---
 hw/net/igb_regs.h | 32 +++++++++++++++++++++++++++-----
 hw/net/igb_core.c |  4 ++--
 2 files changed, 29 insertions(+), 7 deletions(-)

Patch

diff --git a/hw/net/igb_regs.h b/hw/net/igb_regs.h
index 21ee9a3b2d..eb995d8b2e 100644
--- a/hw/net/igb_regs.h
+++ b/hw/net/igb_regs.h
@@ -42,11 +42,6 @@  union e1000_adv_tx_desc {
     } wb;
 };
 
-#define E1000_ADVTXD_DTYP_CTXT  0x00200000 /* Advanced Context Descriptor */
-#define E1000_ADVTXD_DTYP_DATA  0x00300000 /* Advanced Data Descriptor */
-#define E1000_ADVTXD_DCMD_DEXT  0x20000000 /* Descriptor Extension (1=Adv) */
-#define E1000_ADVTXD_DCMD_TSE   0x80000000 /* TCP/UDP Segmentation Enable */
-
 #define E1000_ADVTXD_POTS_IXSM  0x00000100 /* Insert TCP/UDP Checksum */
 #define E1000_ADVTXD_POTS_TXSM  0x00000200 /* Insert TCP/UDP Checksum */
 
@@ -151,6 +146,10 @@  union e1000_adv_rx_desc {
 #define IGB_82576_VF_DEV_ID        0x10CA
 #define IGB_I350_VF_DEV_ID         0x1520
 
+/* VLAN info */
+#define IGB_TX_FLAGS_VLAN_MASK     0xffff0000
+#define IGB_TX_FLAGS_VLAN_SHIFT    16
+
 /* from igb/e1000_82575.h */
 
 #define E1000_MRQC_ENABLE_RSS_MQ            0x00000002
@@ -160,6 +159,29 @@  union e1000_adv_rx_desc {
 #define E1000_MRQC_RSS_FIELD_IPV6_UDP       0x00800000
 #define E1000_MRQC_RSS_FIELD_IPV6_UDP_EX    0x01000000
 
+/* Adv Transmit Descriptor Config Masks */
+#define E1000_ADVTXD_MAC_TSTAMP   0x00080000 /* IEEE1588 Timestamp packet */
+#define E1000_ADVTXD_DTYP_CTXT    0x00200000 /* Advanced Context Descriptor */
+#define E1000_ADVTXD_DTYP_DATA    0x00300000 /* Advanced Data Descriptor */
+#define E1000_ADVTXD_DCMD_EOP     0x01000000 /* End of Packet */
+#define E1000_ADVTXD_DCMD_IFCS    0x02000000 /* Insert FCS (Ethernet CRC) */
+#define E1000_ADVTXD_DCMD_RS      0x08000000 /* Report Status */
+#define E1000_ADVTXD_DCMD_DEXT    0x20000000 /* Descriptor extension (1=Adv) */
+#define E1000_ADVTXD_DCMD_VLE     0x40000000 /* VLAN pkt enable */
+#define E1000_ADVTXD_DCMD_TSE     0x80000000 /* TCP Seg enable */
+#define E1000_ADVTXD_PAYLEN_SHIFT    14 /* Adv desc PAYLEN shift */
+
+#define E1000_ADVTXD_MACLEN_SHIFT    9  /* Adv ctxt desc mac len shift */
+#define E1000_ADVTXD_TUCMD_L4T_UDP 0x00000000  /* L4 Packet TYPE of UDP */
+#define E1000_ADVTXD_TUCMD_IPV4    0x00000400  /* IP Packet Type: 1=IPv4 */
+#define E1000_ADVTXD_TUCMD_L4T_TCP 0x00000800  /* L4 Packet TYPE of TCP */
+#define E1000_ADVTXD_TUCMD_L4T_SCTP 0x00001000 /* L4 packet TYPE of SCTP */
+/* IPSec Encrypt Enable for ESP */
+#define E1000_ADVTXD_L4LEN_SHIFT     8  /* Adv ctxt L4LEN shift */
+#define E1000_ADVTXD_MSS_SHIFT      16  /* Adv ctxt MSS shift */
+/* Adv ctxt IPSec SA IDX mask */
+/* Adv ctxt IPSec ESP len mask */
+
 /* Additional Transmit Descriptor Control definitions */
 #define E1000_TXDCTL_QUEUE_ENABLE  0x02000000 /* Enable specific Tx Queue */
 
diff --git a/hw/net/igb_core.c b/hw/net/igb_core.c
index 162ef26789..56a53872cf 100644
--- a/hw/net/igb_core.c
+++ b/hw/net/igb_core.c
@@ -418,7 +418,7 @@  igb_setup_tx_offloads(IGBCore *core, struct igb_tx *tx)
 {
     if (tx->first_cmd_type_len & E1000_ADVTXD_DCMD_TSE) {
         uint32_t idx = (tx->first_olinfo_status >> 4) & 1;
-        uint32_t mss = tx->ctx[idx].mss_l4len_idx >> 16;
+        uint32_t mss = tx->ctx[idx].mss_l4len_idx >> E1000_ADVTXD_MSS_SHIFT;
         if (!net_tx_pkt_build_vheader(tx->tx_pkt, true, true, mss)) {
             return false;
         }
@@ -612,7 +612,7 @@  igb_process_tx_desc(IGBCore *core,
         if (!tx->skip_cp && net_tx_pkt_parse(tx->tx_pkt)) {
             idx = (tx->first_olinfo_status >> 4) & 1;
             igb_tx_insert_vlan(core, queue_index, tx,
-                tx->ctx[idx].vlan_macip_lens >> 16,
+                tx->ctx[idx].vlan_macip_lens >> IGB_TX_FLAGS_VLAN_SHIFT,
                 !!(tx->first_cmd_type_len & E1000_TXD_CMD_VLE));
 
             if (igb_tx_pkt_send(core, tx, queue_index)) {