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Diffstat (limited to 'hw/net/e1000.c')
-rw-r--r--hw/net/e1000.c92
1 files changed, 52 insertions, 40 deletions
diff --git a/hw/net/e1000.c b/hw/net/e1000.c
index 05a00cba31..804ec08721 100644
--- a/hw/net/e1000.c
+++ b/hw/net/e1000.c
@@ -98,7 +98,10 @@ typedef struct E1000State_st {
unsigned char data[0x10000];
uint16_t size;
unsigned char vlan_needed;
+ unsigned char sum_needed;
+ bool cptse;
e1000x_txd_props props;
+ e1000x_txd_props tso_props;
uint16_t tso_frames;
} tx;
@@ -539,35 +542,37 @@ xmit_seg(E1000State *s)
uint16_t len;
unsigned int frames = s->tx.tso_frames, css, sofar;
struct e1000_tx *tp = &s->tx;
+ struct e1000x_txd_props *props = tp->cptse ? &tp->tso_props : &tp->props;
- if (tp->props.tse && tp->props.cptse) {
- css = tp->props.ipcss;
+ if (tp->cptse) {
+ css = props->ipcss;
DBGOUT(TXSUM, "frames %d size %d ipcss %d\n",
frames, tp->size, css);
- if (tp->props.ip) { /* IPv4 */
+ if (props->ip) { /* IPv4 */
stw_be_p(tp->data+css+2, tp->size - css);
stw_be_p(tp->data+css+4,
lduw_be_p(tp->data + css + 4) + frames);
} else { /* IPv6 */
stw_be_p(tp->data+css+4, tp->size - css);
}
- css = tp->props.tucss;
+ css = props->tucss;
len = tp->size - css;
- DBGOUT(TXSUM, "tcp %d tucss %d len %d\n", tp->props.tcp, css, len);
- if (tp->props.tcp) {
- sofar = frames * tp->props.mss;
+ DBGOUT(TXSUM, "tcp %d tucss %d len %d\n", props->tcp, css, len);
+ if (props->tcp) {
+ sofar = frames * props->mss;
stl_be_p(tp->data+css+4, ldl_be_p(tp->data+css+4)+sofar); /* seq */
- if (tp->props.paylen - sofar > tp->props.mss) {
+ if (props->paylen - sofar > props->mss) {
tp->data[css + 13] &= ~9; /* PSH, FIN */
} else if (frames) {
e1000x_inc_reg_if_not_full(s->mac_reg, TSCTC);
}
- } else /* UDP */
+ } else { /* UDP */
stw_be_p(tp->data+css+4, len);
- if (tp->props.sum_needed & E1000_TXD_POPTS_TXSM) {
+ }
+ if (tp->sum_needed & E1000_TXD_POPTS_TXSM) {
unsigned int phsum;
// add pseudo-header length before checksum calculation
- void *sp = tp->data + tp->props.tucso;
+ void *sp = tp->data + props->tucso;
phsum = lduw_be_p(sp) + len;
phsum = (phsum >> 16) + (phsum & 0xffff);
@@ -576,13 +581,11 @@ xmit_seg(E1000State *s)
tp->tso_frames++;
}
- if (tp->props.sum_needed & E1000_TXD_POPTS_TXSM) {
- putsum(tp->data, tp->size, tp->props.tucso,
- tp->props.tucss, tp->props.tucse);
+ if (tp->sum_needed & E1000_TXD_POPTS_TXSM) {
+ putsum(tp->data, tp->size, props->tucso, props->tucss, props->tucse);
}
- if (tp->props.sum_needed & E1000_TXD_POPTS_IXSM) {
- putsum(tp->data, tp->size, tp->props.ipcso,
- tp->props.ipcss, tp->props.ipcse);
+ if (tp->sum_needed & E1000_TXD_POPTS_IXSM) {
+ putsum(tp->data, tp->size, props->ipcso, props->ipcss, props->ipcse);
}
if (tp->vlan_needed) {
memmove(tp->vlan, tp->data, 4);
@@ -614,27 +617,27 @@ process_tx_desc(E1000State *s, struct e1000_tx_desc *dp)
s->mit_ide |= (txd_lower & E1000_TXD_CMD_IDE);
if (dtype == E1000_TXD_CMD_DEXT) { /* context descriptor */
- e1000x_read_tx_ctx_descr(xp, &tp->props);
- tp->tso_frames = 0;
- if (tp->props.tucso == 0) { /* this is probably wrong */
- DBGOUT(TXSUM, "TCP/UDP: cso 0!\n");
- tp->props.tucso = tp->props.tucss + (tp->props.tcp ? 16 : 6);
+ if (le32_to_cpu(xp->cmd_and_length) & E1000_TXD_CMD_TSE) {
+ e1000x_read_tx_ctx_descr(xp, &tp->tso_props);
+ tp->tso_frames = 0;
+ } else {
+ e1000x_read_tx_ctx_descr(xp, &tp->props);
}
return;
} else if (dtype == (E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D)) {
// data descriptor
if (tp->size == 0) {
- tp->props.sum_needed = le32_to_cpu(dp->upper.data) >> 8;
+ tp->sum_needed = le32_to_cpu(dp->upper.data) >> 8;
}
- tp->props.cptse = (txd_lower & E1000_TXD_CMD_TSE) ? 1 : 0;
+ tp->cptse = (txd_lower & E1000_TXD_CMD_TSE) ? 1 : 0;
} else {
// legacy descriptor
- tp->props.cptse = 0;
+ tp->cptse = 0;
}
if (e1000x_vlan_enabled(s->mac_reg) &&
e1000x_is_vlan_txd(txd_lower) &&
- (tp->props.cptse || txd_lower & E1000_TXD_CMD_EOP)) {
+ (tp->cptse || txd_lower & E1000_TXD_CMD_EOP)) {
tp->vlan_needed = 1;
stw_be_p(tp->vlan_header,
le16_to_cpu(s->mac_reg[VET]));
@@ -643,8 +646,8 @@ process_tx_desc(E1000State *s, struct e1000_tx_desc *dp)
}
addr = le64_to_cpu(dp->buffer_addr);
- if (tp->props.tse && tp->props.cptse) {
- msh = tp->props.hdr_len + tp->props.mss;
+ if (tp->cptse) {
+ msh = tp->tso_props.hdr_len + tp->tso_props.mss;
do {
bytes = split_size;
if (tp->size + bytes > msh)
@@ -653,21 +656,19 @@ process_tx_desc(E1000State *s, struct e1000_tx_desc *dp)
bytes = MIN(sizeof(tp->data) - tp->size, bytes);
pci_dma_read(d, addr, tp->data + tp->size, bytes);
sz = tp->size + bytes;
- if (sz >= tp->props.hdr_len && tp->size < tp->props.hdr_len) {
- memmove(tp->header, tp->data, tp->props.hdr_len);
+ if (sz >= tp->tso_props.hdr_len
+ && tp->size < tp->tso_props.hdr_len) {
+ memmove(tp->header, tp->data, tp->tso_props.hdr_len);
}
tp->size = sz;
addr += bytes;
if (sz == msh) {
xmit_seg(s);
- memmove(tp->data, tp->header, tp->props.hdr_len);
- tp->size = tp->props.hdr_len;
+ memmove(tp->data, tp->header, tp->tso_props.hdr_len);
+ tp->size = tp->tso_props.hdr_len;
}
split_size -= bytes;
} while (bytes && split_size);
- } else if (!tp->props.tse && tp->props.cptse) {
- // context descriptor TSE is not set, while data descriptor TSE is set
- DBGOUT(TXERR, "TCP segmentation error\n");
} else {
split_size = MIN(sizeof(tp->data) - tp->size, split_size);
pci_dma_read(d, addr, tp->data + tp->size, split_size);
@@ -676,14 +677,14 @@ process_tx_desc(E1000State *s, struct e1000_tx_desc *dp)
if (!(txd_lower & E1000_TXD_CMD_EOP))
return;
- if (!(tp->props.tse && tp->props.cptse && tp->size < tp->props.hdr_len)) {
+ if (!(tp->cptse && tp->size < tp->tso_props.hdr_len)) {
xmit_seg(s);
}
tp->tso_frames = 0;
- tp->props.sum_needed = 0;
+ tp->sum_needed = 0;
tp->vlan_needed = 0;
tp->size = 0;
- tp->props.cptse = 0;
+ tp->cptse = 0;
}
static uint32_t
@@ -1435,7 +1436,7 @@ static const VMStateDescription vmstate_e1000_full_mac_state = {
static const VMStateDescription vmstate_e1000 = {
.name = "e1000",
- .version_id = 2,
+ .version_id = 3,
.minimum_version_id = 1,
.pre_save = e1000_pre_save,
.post_load = e1000_post_load,
@@ -1461,7 +1462,7 @@ static const VMStateDescription vmstate_e1000 = {
VMSTATE_UINT16(tx.props.mss, E1000State),
VMSTATE_UINT16(tx.size, E1000State),
VMSTATE_UINT16(tx.tso_frames, E1000State),
- VMSTATE_UINT8(tx.props.sum_needed, E1000State),
+ VMSTATE_UINT8(tx.sum_needed, E1000State),
VMSTATE_INT8(tx.props.ip, E1000State),
VMSTATE_INT8(tx.props.tcp, E1000State),
VMSTATE_BUFFER(tx.header, E1000State),
@@ -1508,6 +1509,17 @@ static const VMStateDescription vmstate_e1000 = {
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_UINT8_V(tx.tso_props.ipcss, E1000State, 3),
+ VMSTATE_UINT8_V(tx.tso_props.ipcso, E1000State, 3),
+ VMSTATE_UINT16_V(tx.tso_props.ipcse, E1000State, 3),
+ VMSTATE_UINT8_V(tx.tso_props.tucss, E1000State, 3),
+ VMSTATE_UINT8_V(tx.tso_props.tucso, E1000State, 3),
+ VMSTATE_UINT16_V(tx.tso_props.tucse, E1000State, 3),
+ VMSTATE_UINT32_V(tx.tso_props.paylen, E1000State, 3),
+ VMSTATE_UINT8_V(tx.tso_props.hdr_len, E1000State, 3),
+ VMSTATE_UINT16_V(tx.tso_props.mss, E1000State, 3),
+ VMSTATE_INT8_V(tx.tso_props.ip, E1000State, 3),
+ VMSTATE_INT8_V(tx.tso_props.tcp, E1000State, 3),
VMSTATE_END_OF_LIST()
},
.subsections = (const VMStateDescription*[]) {
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-17 01:32:12 +0000