qemu-devel.nongnu.org archive mirror
 help / color / mirror / Atom feed
From: Jason Wang <jasowang@redhat.com>
To: qemu-devel@nongnu.org, peter.maydell@linaro.org
Cc: "Akihiko Odaki" <akihiko.odaki@daynix.com>,
	"Philippe Mathieu-Daudé" <philmd@linaro.org>,
	"Jason Wang" <jasowang@redhat.com>
Subject: [PULL V2 08/44] e1000: Use more constant definitions
Date: Fri, 10 Mar 2023 17:34:50 +0800	[thread overview]
Message-ID: <20230310093526.30828-9-jasowang@redhat.com> (raw)
In-Reply-To: <20230310093526.30828-1-jasowang@redhat.com>

From: Akihiko Odaki <akihiko.odaki@daynix.com>

The definitions for E1000_VFTA_ENTRY_SHIFT, E1000_VFTA_ENTRY_MASK, and
E1000_VFTA_ENTRY_BIT_SHIFT_MASK were copied from:
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/tree/drivers/net/ethernet/intel/e1000/e1000_hw.h?h=v6.0.9#n306

The definitions for E1000_NUM_UNICAST, E1000_MC_TBL_SIZE, and
E1000_VLAN_FILTER_TBL_SIZE were copied from:
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/tree/drivers/net/ethernet/intel/e1000/e1000_hw.h?h=v6.0.9#n707

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Jason Wang <jasowang@redhat.com>
---
 hw/net/e1000.c         | 50 ++++++++++++++++++++++++++++----------------------
 hw/net/e1000_regs.h    |  9 +++++++++
 hw/net/e1000x_common.c |  5 +++--
 hw/net/e1000x_common.h |  2 +-
 4 files changed, 41 insertions(+), 25 deletions(-)

diff --git a/hw/net/e1000.c b/hw/net/e1000.c
index 0925a99..d9d048f 100644
--- a/hw/net/e1000.c
+++ b/hw/net/e1000.c
@@ -43,8 +43,6 @@
 #include "trace.h"
 #include "qom/object.h"
 
-static const uint8_t bcast[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
-
 /* #define E1000_DEBUG */
 
 #ifdef E1000_DEBUG
@@ -67,9 +65,8 @@ static int debugflags = DBGBIT(TXERR) | DBGBIT(GENERAL);
 
 #define IOPORT_SIZE       0x40
 #define PNPMMIO_SIZE      0x20000
-#define MIN_BUF_SIZE      60 /* Min. octets in an ethernet frame sans FCS */
 
-#define MAXIMUM_ETHERNET_HDR_LEN (14+4)
+#define MAXIMUM_ETHERNET_HDR_LEN (ETH_HLEN + 4)
 
 /*
  * HW models:
@@ -239,10 +236,16 @@ static const uint16_t phy_reg_init[] = {
 
     [MII_PHYID1] = 0x141,
     /* [MII_PHYID2] configured per DevId, from e1000_reset() */
-    [MII_ANAR] = 0xde1,
-    [MII_ANLPAR] = 0x1e0,
-    [MII_CTRL1000] = 0x0e00,
-    [MII_STAT1000] = 0x3c00,
+    [MII_ANAR] = MII_ANAR_CSMACD | MII_ANAR_10 |
+                 MII_ANAR_10FD | MII_ANAR_TX |
+                 MII_ANAR_TXFD | MII_ANAR_PAUSE |
+                 MII_ANAR_PAUSE_ASYM,
+    [MII_ANLPAR] = MII_ANLPAR_10 | MII_ANLPAR_10FD |
+                   MII_ANLPAR_TX | MII_ANLPAR_TXFD,
+    [MII_CTRL1000] = MII_CTRL1000_FULL | MII_CTRL1000_PORT |
+                     MII_CTRL1000_MASTER,
+    [MII_STAT1000] = MII_STAT1000_HALF | MII_STAT1000_FULL |
+                     MII_STAT1000_ROK | MII_STAT1000_LOK,
     [M88E1000_PHY_SPEC_CTRL] = 0x360,
     [M88E1000_PHY_SPEC_STATUS] = 0xac00,
     [M88E1000_EXT_PHY_SPEC_CTRL] = 0x0d60,
@@ -548,9 +551,9 @@ putsum(uint8_t *data, uint32_t n, uint32_t sloc, uint32_t css, uint32_t cse)
 static inline void
 inc_tx_bcast_or_mcast_count(E1000State *s, const unsigned char *arr)
 {
-    if (!memcmp(arr, bcast, sizeof bcast)) {
+    if (is_broadcast_ether_addr(arr)) {
         e1000x_inc_reg_if_not_full(s->mac_reg, BPTC);
-    } else if (arr[0] & 1) {
+    } else if (is_multicast_ether_addr(arr)) {
         e1000x_inc_reg_if_not_full(s->mac_reg, MPTC);
     }
 }
@@ -804,14 +807,16 @@ static int
 receive_filter(E1000State *s, const uint8_t *buf, int size)
 {
     uint32_t rctl = s->mac_reg[RCTL];
-    int isbcast = !memcmp(buf, bcast, sizeof bcast), ismcast = (buf[0] & 1);
+    int isbcast = is_broadcast_ether_addr(buf);
+    int ismcast = is_multicast_ether_addr(buf);
 
     if (e1000x_is_vlan_packet(buf, le16_to_cpu(s->mac_reg[VET])) &&
         e1000x_vlan_rx_filter_enabled(s->mac_reg)) {
-        uint16_t vid = lduw_be_p(buf + 14);
-        uint32_t vfta = ldl_le_p((uint32_t *)(s->mac_reg + VFTA) +
-                                 ((vid >> 5) & 0x7f));
-        if ((vfta & (1 << (vid & 0x1f))) == 0) {
+        uint16_t vid = lduw_be_p(&PKT_GET_VLAN_HDR(buf)->h_tci);
+        uint32_t vfta =
+            ldl_le_p((uint32_t *)(s->mac_reg + VFTA) +
+                     ((vid >> E1000_VFTA_ENTRY_SHIFT) & E1000_VFTA_ENTRY_MASK));
+        if ((vfta & (1 << (vid & E1000_VFTA_ENTRY_BIT_SHIFT_MASK))) == 0) {
             return 0;
         }
     }
@@ -909,7 +914,7 @@ e1000_receive_iov(NetClientState *nc, const struct iovec *iov, int iovcnt)
     uint32_t rdh_start;
     uint16_t vlan_special = 0;
     uint8_t vlan_status = 0;
-    uint8_t min_buf[MIN_BUF_SIZE];
+    uint8_t min_buf[ETH_ZLEN];
     struct iovec min_iov;
     uint8_t *filter_buf = iov->iov_base;
     size_t size = iov_size(iov, iovcnt);
@@ -1204,8 +1209,8 @@ static const readops macreg_readops[] = {
     [FFLT ... FFLT + 6]   = &mac_readreg,
     [RA ... RA + 31]      = &mac_readreg,
     [WUPM ... WUPM + 31]  = &mac_readreg,
-    [MTA ... MTA + 127]   = &mac_readreg,
-    [VFTA ... VFTA + 127] = &mac_readreg,
+    [MTA ... MTA + E1000_MC_TBL_SIZE - 1]   = &mac_readreg,
+    [VFTA ... VFTA + E1000_VLAN_FILTER_TBL_SIZE - 1] = &mac_readreg,
     [FFMT ... FFMT + 254] = &mac_readreg,
     [FFVT ... FFVT + 254] = &mac_readreg,
     [PBM ... PBM + 16383] = &mac_readreg,
@@ -1236,8 +1241,8 @@ static const writeops macreg_writeops[] = {
     [FFLT ... FFLT + 6]   = &set_11bit,
     [RA ... RA + 31]      = &mac_writereg,
     [WUPM ... WUPM + 31]  = &mac_writereg,
-    [MTA ... MTA + 127]   = &mac_writereg,
-    [VFTA ... VFTA + 127] = &mac_writereg,
+    [MTA ... MTA + E1000_MC_TBL_SIZE - 1] = &mac_writereg,
+    [VFTA ... VFTA + E1000_VLAN_FILTER_TBL_SIZE - 1] = &mac_writereg,
     [FFMT ... FFMT + 254] = &set_4bit,     [FFVT ... FFVT + 254] = &mac_writereg,
     [PBM ... PBM + 16383] = &mac_writereg,
 };
@@ -1603,8 +1608,9 @@ static const VMStateDescription vmstate_e1000 = {
         VMSTATE_UINT32(mac_reg[WUFC], E1000State),
         VMSTATE_UINT32(mac_reg[VET], E1000State),
         VMSTATE_UINT32_SUB_ARRAY(mac_reg, E1000State, RA, 32),
-        VMSTATE_UINT32_SUB_ARRAY(mac_reg, E1000State, MTA, 128),
-        VMSTATE_UINT32_SUB_ARRAY(mac_reg, E1000State, VFTA, 128),
+        VMSTATE_UINT32_SUB_ARRAY(mac_reg, E1000State, MTA, E1000_MC_TBL_SIZE),
+        VMSTATE_UINT32_SUB_ARRAY(mac_reg, E1000State, VFTA,
+                                 E1000_VLAN_FILTER_TBL_SIZE),
         VMSTATE_END_OF_LIST()
     },
     .subsections = (const VMStateDescription*[]) {
diff --git a/hw/net/e1000_regs.h b/hw/net/e1000_regs.h
index 59d6eb3..3f6b5d0 100644
--- a/hw/net/e1000_regs.h
+++ b/hw/net/e1000_regs.h
@@ -1154,6 +1154,11 @@ struct e1000_data_desc {
     } upper;
 };
 
+/* Filters */
+#define E1000_NUM_UNICAST          16  /* Unicast filter entries */
+#define E1000_MC_TBL_SIZE          128 /* Multicast Filter Table (4096 bits) */
+#define E1000_VLAN_FILTER_TBL_SIZE 128 /* VLAN Filter Table (4096 bits) */
+
 /* Management Control */
 #define E1000_MANC_SMBUS_EN      0x00000001 /* SMBus Enabled - RO */
 #define E1000_MANC_ASF_EN        0x00000002 /* ASF Enabled - RO */
@@ -1202,4 +1207,8 @@ struct e1000_data_desc {
 #define E1000_IOADDR 0x00
 #define E1000_IODATA 0x04
 
+#define E1000_VFTA_ENTRY_SHIFT          5
+#define E1000_VFTA_ENTRY_MASK           0x7F
+#define E1000_VFTA_ENTRY_BIT_SHIFT_MASK 0x1F
+
 #endif /* HW_E1000_REGS_H */
diff --git a/hw/net/e1000x_common.c b/hw/net/e1000x_common.c
index e79d4c7..b3bbf31 100644
--- a/hw/net/e1000x_common.c
+++ b/hw/net/e1000x_common.c
@@ -26,6 +26,7 @@
 #include "qemu/units.h"
 #include "hw/net/mii.h"
 #include "hw/pci/pci_device.h"
+#include "net/eth.h"
 #include "net/net.h"
 
 #include "e1000x_common.h"
@@ -48,7 +49,7 @@ bool e1000x_rx_ready(PCIDevice *d, uint32_t *mac)
 
 bool e1000x_is_vlan_packet(const uint8_t *buf, uint16_t vet)
 {
-    uint16_t eth_proto = lduw_be_p(buf + 12);
+    uint16_t eth_proto = lduw_be_p(&PKT_GET_ETH_HDR(buf)->h_proto);
     bool res = (eth_proto == vet);
 
     trace_e1000x_vlan_is_vlan_pkt(res, eth_proto, vet);
@@ -67,7 +68,7 @@ bool e1000x_rx_group_filter(uint32_t *mac, const uint8_t *buf)
         }
         ra[0] = cpu_to_le32(rp[0]);
         ra[1] = cpu_to_le32(rp[1]);
-        if (!memcmp(buf, (uint8_t *)ra, 6)) {
+        if (!memcmp(buf, (uint8_t *)ra, ETH_ALEN)) {
             trace_e1000x_rx_flt_ucast_match((int)(rp - mac - RA) / 2,
                                             MAC_ARG(buf));
             return true;
diff --git a/hw/net/e1000x_common.h b/hw/net/e1000x_common.h
index 3501e48..b991d81 100644
--- a/hw/net/e1000x_common.h
+++ b/hw/net/e1000x_common.h
@@ -102,7 +102,7 @@ enum {
 static inline void
 e1000x_inc_reg_if_not_full(uint32_t *mac, int index)
 {
-    if (mac[index] != 0xffffffff) {
+    if (mac[index] != UINT32_MAX) {
         mac[index]++;
     }
 }
-- 
2.7.4



  parent reply	other threads:[~2023-03-10  9:36 UTC|newest]

Thread overview: 46+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-03-10  9:34 [PULL V2 00/44] Net patches Jason Wang
2023-03-10  9:34 ` [PULL V2 01/44] e1000e: Fix the code style Jason Wang
2023-03-10  9:34 ` [PULL V2 02/44] hw/net: Add more MII definitions Jason Wang
2023-03-10  9:34 ` [PULL V2 03/44] fsl_etsec: Use hw/net/mii.h Jason Wang
2023-03-10  9:34 ` [PULL V2 04/44] e1000: " Jason Wang
2023-03-10  9:34 ` [PULL V2 05/44] e1000: Mask registers when writing Jason Wang
2023-03-10  9:34 ` [PULL V2 06/44] e1000e: Introduce E1000E_LOW_BITS_SET_FUNC Jason Wang
2023-03-10  9:34 ` [PULL V2 07/44] e1000e: Mask registers when writing Jason Wang
2023-03-10  9:34 ` Jason Wang [this message]
2023-03-10  9:34 ` [PULL V2 09/44] e1000e: Use more constant definitions Jason Wang
2023-03-10  9:34 ` [PULL V2 10/44] e1000: Use memcpy to intialize registers Jason Wang
2023-03-10  9:34 ` [PULL V2 11/44] e1000e: " Jason Wang
2023-03-10  9:34 ` [PULL V2 12/44] e1000e: Remove pending interrupt flags Jason Wang
2023-03-10  9:34 ` [PULL V2 13/44] e1000e: Improve software reset Jason Wang
2023-03-10  9:34 ` [PULL V2 14/44] e1000: Configure ResettableClass Jason Wang
2023-03-10  9:34 ` [PULL V2 15/44] e1000e: " Jason Wang
2023-03-10  9:34 ` [PULL V2 16/44] e1000e: Introduce e1000_rx_desc_union Jason Wang
2023-03-10  9:34 ` [PULL V2 17/44] e1000e: Set MII_ANER_NWAY Jason Wang
2023-03-10  9:35 ` [PULL V2 18/44] e1000e: Remove extra pointer indirection Jason Wang
2023-03-10  9:35 ` [PULL V2 19/44] net: Check L4 header size Jason Wang
2023-03-10  9:35 ` [PULL V2 20/44] e1000x: Alter the signature of e1000x_is_vlan_packet Jason Wang
2023-03-10  9:35 ` [PULL V2 21/44] net: Strip virtio-net header when dumping Jason Wang
2023-03-10  9:35 ` [PULL V2 22/44] hw/net/net_tx_pkt: Automatically determine if virtio-net header is used Jason Wang
2023-03-10  9:35 ` [PULL V2 23/44] hw/net/net_rx_pkt: Remove net_rx_pkt_has_virt_hdr Jason Wang
2023-03-10  9:35 ` [PULL V2 24/44] e1000e: Perform software segmentation for loopback Jason Wang
2023-03-10  9:35 ` [PULL V2 25/44] hw/net/net_tx_pkt: Implement TCP segmentation Jason Wang
2023-03-10  9:35 ` [PULL V2 26/44] hw/net/net_tx_pkt: Check the payload length Jason Wang
2023-03-10  9:35 ` [PULL V2 27/44] e1000e: Do not assert when MSI-X is disabled later Jason Wang
2023-03-10  9:35 ` [PULL V2 28/44] MAINTAINERS: Add Akihiko Odaki as a e1000e reviewer Jason Wang
2023-03-10  9:35 ` [PULL V2 29/44] MAINTAINERS: Add e1000e test files Jason Wang
2023-03-10  9:35 ` [PULL V2 30/44] e1000e: Combine rx traces Jason Wang
2023-03-10  9:35 ` [PULL V2 31/44] e1000: Count CRC in Tx statistics Jason Wang
2023-03-10  9:35 ` [PULL V2 32/44] e1000e: " Jason Wang
2023-03-10  9:35 ` [PULL V2 33/44] net/eth: Report if headers are actually present Jason Wang
2023-03-10  9:35 ` [PULL V2 34/44] e1000e: Implement system clock Jason Wang
2023-03-10  9:35 ` [PULL V2 35/44] net/eth: Introduce EthL4HdrProto Jason Wang
2023-03-10  9:35 ` [PULL V2 36/44] pcie: Introduce pcie_sriov_num_vfs Jason Wang
2023-03-10  9:35 ` [PULL V2 37/44] e1000: Split header files Jason Wang
2023-03-10  9:35 ` [PULL V2 38/44] Intrdocue igb device emulation Jason Wang
2023-03-10  9:35 ` [PULL V2 39/44] tests/qtest/e1000e-test: Fabricate ethernet header Jason Wang
2023-03-10  9:35 ` [PULL V2 40/44] tests/qtest/libqos/e1000e: Export macreg functions Jason Wang
2023-03-10  9:35 ` [PULL V2 41/44] igb: Introduce qtest for igb device Jason Wang
2023-03-10  9:35 ` [PULL V2 42/44] tests/avocado: Add igb test Jason Wang
2023-03-10  9:35 ` [PULL V2 43/44] docs/system/devices/igb: Add igb documentation Jason Wang
2023-03-10  9:35 ` [PULL V2 44/44] ebpf: fix compatibility with libbpf 1.0+ Jason Wang
2023-03-12 10:56 ` [PULL V2 00/44] Net patches Peter Maydell

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20230310093526.30828-9-jasowang@redhat.com \
    --to=jasowang@redhat.com \
    --cc=akihiko.odaki@daynix.com \
    --cc=peter.maydell@linaro.org \
    --cc=philmd@linaro.org \
    --cc=qemu-devel@nongnu.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).