From bd8a922d2fc99445b2814c3a53d6be0f99555ea3 Mon Sep 17 00:00:00 2001 From: Luc Michel Date: Tue, 17 Oct 2023 21:44:14 +0200 Subject: [PATCH] hw/net/cadence_gem: use FIELD to describe NWCTRL register fields Use the FIELD macro to describe the NWCTRL register fields. Signed-off-by: Luc Michel Reviewed-by: sai.pavan.boddu@amd.com Message-id: 20231017194422.4124691-4-luc.michel@amd.com Signed-off-by: Peter Maydell --- hw/net/cadence_gem.c | 53 +++++++++++++++++++++++++++++++++----------- 1 file changed, 40 insertions(+), 13 deletions(-) diff --git a/hw/net/cadence_gem.c b/hw/net/cadence_gem.c index dd00556232..1bcc9b6811 100644 --- a/hw/net/cadence_gem.c +++ b/hw/net/cadence_gem.c @@ -46,6 +46,38 @@ } while (0) REG32(NWCTRL, 0x0) /* Network Control reg */ + FIELD(NWCTRL, LOOPBACK , 0, 1) + FIELD(NWCTRL, LOOPBACK_LOCAL , 1, 1) + FIELD(NWCTRL, ENABLE_RECEIVE, 2, 1) + FIELD(NWCTRL, ENABLE_TRANSMIT, 3, 1) + FIELD(NWCTRL, MAN_PORT_EN , 4, 1) + FIELD(NWCTRL, CLEAR_ALL_STATS_REGS , 5, 1) + FIELD(NWCTRL, INC_ALL_STATS_REGS, 6, 1) + FIELD(NWCTRL, STATS_WRITE_EN, 7, 1) + FIELD(NWCTRL, BACK_PRESSURE, 8, 1) + FIELD(NWCTRL, TRANSMIT_START , 9, 1) + FIELD(NWCTRL, TRANSMIT_HALT, 10, 1) + FIELD(NWCTRL, TX_PAUSE_FRAME_RE, 11, 1) + FIELD(NWCTRL, TX_PAUSE_FRAME_ZE, 12, 1) + FIELD(NWCTRL, STATS_TAKE_SNAP, 13, 1) + FIELD(NWCTRL, STATS_READ_SNAP, 14, 1) + FIELD(NWCTRL, STORE_RX_TS, 15, 1) + FIELD(NWCTRL, PFC_ENABLE, 16, 1) + FIELD(NWCTRL, PFC_PRIO_BASED, 17, 1) + FIELD(NWCTRL, FLUSH_RX_PKT_PCLK , 18, 1) + FIELD(NWCTRL, TX_LPI_EN, 19, 1) + FIELD(NWCTRL, PTP_UNICAST_ENA, 20, 1) + FIELD(NWCTRL, ALT_SGMII_MODE, 21, 1) + FIELD(NWCTRL, STORE_UDP_OFFSET, 22, 1) + FIELD(NWCTRL, EXT_TSU_PORT_EN, 23, 1) + FIELD(NWCTRL, ONE_STEP_SYNC_MO, 24, 1) + FIELD(NWCTRL, PFC_CTRL , 25, 1) + FIELD(NWCTRL, EXT_RXQ_SEL_EN , 26, 1) + FIELD(NWCTRL, OSS_CORRECTION_FIELD, 27, 1) + FIELD(NWCTRL, SEL_MII_ON_RGMII, 28, 1) + FIELD(NWCTRL, TWO_PT_FIVE_GIG, 29, 1) + FIELD(NWCTRL, IFG_EATS_QAV_CREDIT, 30, 1) + REG32(NWCFG, 0x4) /* Network Config reg */ REG32(NWSTATUS, 0x8) /* Network Status reg */ REG32(USERIO, 0xc) /* User IO reg */ @@ -204,11 +236,6 @@ REG32(TYPE2_COMPARE_0_WORD_1, 0x704) FIELD(TYPE2_COMPARE_0_WORD_1, COMPARE_VLAN_ID, 10, 1) /*****************************************/ -#define GEM_NWCTRL_TXSTART 0x00000200 /* Transmit Enable */ -#define GEM_NWCTRL_TXENA 0x00000008 /* Transmit Enable */ -#define GEM_NWCTRL_RXENA 0x00000004 /* Receive Enable */ -#define GEM_NWCTRL_LOCALLOOP 0x00000002 /* Local Loopback */ - #define GEM_NWCFG_STRIP_FCS 0x00020000 /* Strip FCS field */ #define GEM_NWCFG_LERR_DISC 0x00010000 /* Discard RX frames with len err */ #define GEM_NWCFG_BUFF_OFST_M 0x0000C000 /* Receive buffer offset mask */ @@ -560,7 +587,7 @@ static bool gem_can_receive(NetClientState *nc) s = qemu_get_nic_opaque(nc); /* Do nothing if receive is not enabled. */ - if (!(s->regs[R_NWCTRL] & GEM_NWCTRL_RXENA)) { + if (!FIELD_EX32(s->regs[R_NWCTRL], NWCTRL, ENABLE_RECEIVE)) { if (s->can_rx_state != 1) { s->can_rx_state = 1; DB_PRINT("can't receive - no enable\n"); @@ -1173,7 +1200,7 @@ static void gem_transmit(CadenceGEMState *s) int q = 0; /* Do nothing if transmit is not enabled. */ - if (!(s->regs[R_NWCTRL] & GEM_NWCTRL_TXENA)) { + if (!FIELD_EX32(s->regs[R_NWCTRL], NWCTRL, ENABLE_TRANSMIT)) { return; } @@ -1198,7 +1225,7 @@ static void gem_transmit(CadenceGEMState *s) while (tx_desc_get_used(desc) == 0) { /* Do nothing if transmit is not enabled. */ - if (!(s->regs[R_NWCTRL] & GEM_NWCTRL_TXENA)) { + if (!FIELD_EX32(s->regs[R_NWCTRL], NWCTRL, ENABLE_TRANSMIT)) { return; } print_gem_tx_desc(desc, q); @@ -1271,8 +1298,8 @@ static void gem_transmit(CadenceGEMState *s) gem_transmit_updatestats(s, s->tx_packet, total_bytes); /* Send the packet somewhere */ - if (s->phy_loop || (s->regs[R_NWCTRL] & - GEM_NWCTRL_LOCALLOOP)) { + if (s->phy_loop || FIELD_EX32(s->regs[R_NWCTRL], NWCTRL, + LOOPBACK_LOCAL)) { qemu_receive_packet(qemu_get_queue(s->nic), s->tx_packet, total_bytes); } else { @@ -1493,15 +1520,15 @@ static void gem_write(void *opaque, hwaddr offset, uint64_t val, /* Handle register write side effects */ switch (offset) { case R_NWCTRL: - if (val & GEM_NWCTRL_RXENA) { + if (FIELD_EX32(val, NWCTRL, ENABLE_RECEIVE)) { for (i = 0; i < s->num_priority_queues; ++i) { gem_get_rx_desc(s, i); } } - if (val & GEM_NWCTRL_TXSTART) { + if (FIELD_EX32(val, NWCTRL, TRANSMIT_START)) { gem_transmit(s); } - if (!(val & GEM_NWCTRL_TXENA)) { + if (!(FIELD_EX32(val, NWCTRL, ENABLE_TRANSMIT))) { /* Reset to start of Q when transmit disabled. */ for (i = 0; i < s->num_priority_queues; i++) { s->tx_desc_addr[i] = gem_get_tx_queue_base_addr(s, i); -- 2.39.5