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Add L2-table access method defintions

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This commit is contained in:
logicog
2026-01-17 12:56:43 +01:00
parent e53f5e7134
commit 73a355cff5
2 changed files with 22 additions and 13 deletions
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httpd/page_impl.c
+13 -13
View File
@@ -294,7 +294,7 @@ void send_l2(uint16_t idx)
do {
reg_read_m(RTL837X_TBL_CTRL);
} while (sfr_data[3] & 0x01);
} while (sfr_data[3] & TBL_EXECUTE);
/* The L2 table in the ASIC can hold up to 4096 (0x1000) entries, which
* are accessed using an index. The index is the hash of the MAC address
@@ -308,19 +308,19 @@ void send_l2(uint16_t idx)
* entry. The indices are sorted, so if an entry has a smaller index than
* the previous one, we know that we have wrapped around the entire table.
*/
__xdata uint16_t entry = idx;
__xdata uint16_t entry = idx & 0xfff;
__xdata uint16_t first_entry = 0xffff; // An illegal entry index
char_to_html('[');
while (1) {
entries_left--;
uint8_t port = 0;
reg_read_m(RTL837x_TBL_DATA_0);
REG_WRITE(RTL837x_TBL_DATA_0, sfr_data[0], sfr_data[1],sfr_data[2] | 0xc0, sfr_data[3]);
REG_WRITE(RTL837x_TBL_DATA_0, sfr_data[0], sfr_data[1] & 0xfc, sfr_data[2] | (TBL_LUTREAD_NEXT_L2UC << 6), sfr_data[3]);
REG_WRITE(RTL837X_TBL_CTRL, entry >> 8, entry, TBL_L2_UNICAST, 0x1);
REG_WRITE(RTL837X_TBL_CTRL, entry >> 8, entry, TBL_L2_UNICAST, TBL_EXECUTE);
do {
reg_read_m(RTL837X_TBL_CTRL);
} while (sfr_data[3] & 0x1);
} while (sfr_data[3] & TBL_EXECUTE);
reg_read_m(RTL837x_L2_DATA_OUT_B);
if ((sfr_data[0] & 0x20)) { // Check entry is valid
@@ -336,7 +336,7 @@ void send_l2(uint16_t idx)
byte_to_html(sfr_data[3]);
// VLAN
slen += strtox(outbuf + slen, "\", \"vlan\":\"");
slen += strtox(outbuf + slen, "\",\"vlan\":\"");
reg_read_m(RTL837x_L2_DATA_OUT_B);
charhex_to_html(sfr_data[0] & 0x0f);
byte_to_html(sfr_data[1]);
@@ -344,9 +344,9 @@ void send_l2(uint16_t idx)
// type
reg_read_m(RTL837x_L2_DATA_OUT_C);
if (sfr_data[2] & 0x1)
slen += strtox(outbuf + slen, "\",\"type\":\"s\", \"port\":");
slen += strtox(outbuf + slen, "\",\"type\":\"s\",\"port\":");
else
slen += strtox(outbuf + slen, "\",\"type\":\"l\", \"port\":");
slen += strtox(outbuf + slen, "\",\"type\":\"l\",\"port\":");
port |= (sfr_data[3] & 0x3) << 2;
itoa_html(port);
@@ -388,13 +388,13 @@ void l2_delete(uint16_t idx)
do {
reg_read_m(RTL837X_TBL_CTRL);
} while (sfr_data[3] & 0x01);
} while (sfr_data[3] & TBL_EXECUTE);
slen += strtox(outbuf + slen, "{\"result\":");
// First, search for the entry based on the index
reg_read_m(RTL837x_TBL_DATA_0);
REG_WRITE(RTL837x_TBL_DATA_0, sfr_data[0], sfr_data[1],sfr_data[2] | 0xc0, sfr_data[3]);
REG_WRITE(RTL837x_TBL_DATA_0, sfr_data[0], sfr_data[1] & 0xfc, sfr_data[2] | (TBL_LUTREAD_NEXT_L2UC << 6), sfr_data[3]);
REG_WRITE(RTL837X_TBL_CTRL, idx >> 8, idx, TBL_L2_UNICAST, 0x1);
REG_WRITE(RTL837X_TBL_CTRL, (idx >> 8) & 0xf, idx, TBL_L2_UNICAST, TBL_EXECUTE);
do {
reg_read_m(RTL837X_TBL_CTRL);
} while (sfr_data[3] & 0x1);
@@ -415,12 +415,12 @@ void l2_delete(uint16_t idx)
reg_write_m(RTL837x_TBL_DATA_IN_C);
reg_read_m(RTL837x_TBL_DATA_0);
REG_WRITE(RTL837x_TBL_DATA_0, sfr_data[0], sfr_data[1],TBL_L2_UNICAST, sfr_data[3]);
REG_WRITE(RTL837x_TBL_DATA_0, sfr_data[0], sfr_data[1], TBL_L2_UNICAST, sfr_data[3]);
REG_WRITE(RTL837X_TBL_CTRL, idx >> 8, idx, TBL_L2_UNICAST, TBL_WRITE | TBL_EXECUTE);
do {
reg_read_m(RTL837X_TBL_CTRL);
} while (sfr_data[3] & 0x1);
} while (sfr_data[3] & TBL_EXECUTE);
char_to_html('1');
}
rtl837x_regs.h
+9
View File
@@ -127,6 +127,15 @@
// Table types
#define TBL_L2_UNICAST 0x04
#define TBL_VLAN 0x03
// Table read methods for the L2 table (TBL_L2_UNICAST):
#define TBL_LUTREAD_MAC 0
#define TBL_LUTREAD_ADDRESS 1
#define TBL_LUTREAD_NEXT_ADDRESS 2
#define TBL_LUTREAD_NEXT_L2UC 3
#define TBL_LUTREAD_NEXT_L2MC 4
#define TBL_LUTREAD_NEXT_L3MC 5
#define TBL_LUTREAD_NEXT_L2L3MC 6
#define TBL_LUTREAD_NEXT_L2UCSPA 7
#define RTL837X_L2_CTRL 0x5350
#define L2_CTRL_LUT_IPMC_HASH 3