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White Rabbit Switch - Software
Commit 3332a33a authored by Maciej Lipinski's avatar Maciej Lipinski Committed by Alessandro Rubini
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[rtud] added functions to access (write/read) entries in VLAN table

parent 51b08025
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userspace/wrsw_rtud/rtu_fd.c
View file @ 3332a33a
......@@ -416,6 +416,7 @@ static void clean_vd(void)
rtu_clean_vlan();
for(i = 1; i < NUM_VLANS; i++) {
vlan_tab[i].drop = 1;
vlan_tab[i].port_mask = 0x0;
}
// First entry reserved for untagged packets.
......@@ -593,3 +594,53 @@ static void rtu_fd_commit(void)
hw_req_list = NULL;
}
/**
* \brief Creates or updates a filtering entry in the VLAN table.
* @param vid VLAN ID
* @param port_mask mask of ports on which VLAN is registered
* @param fid Filtering Database ID
* @param prio Priority to override the VLAN-tagged receive frames(if prio_override true)
* @param has_prio Indicates there is valid PRIO
* @param prio_override Use the PRIO in the VLAN Table to override the frame's PRIO in the tag
* @param drop Drop frames with this VID
*/
//--------------------------------------------------------------------------------------------
void rtu_fd_create_vlan_entry(int vid, uint32_t port_mask, uint8_t fid, uint8_t prio,
int has_prio,int prio_override, int drop)
{
/*****************************************************************************************
* this is obviously wrong - the number of ports needs to be passed here in some beautiful
* way using beautiful code. We need the number of ports to know where is CPU (always
* the n-th port) -> this is to add CPU to the VLAN so taht all the protocols can reach
* CPU. The alternative to that is set the HW forwarding which is less felxible. So, in
* principle we might not need it in the end, but it would be good if it was possible to
* say whether we want or not
*/
#include <stddef.h>
#define rtu_rd(reg) \
_fpga_readl(FPGA_BASE_RTU + offsetof(struct RTU_WB, reg))
int port_num= RTU_PSR_N_PORTS_R(rtu_rd(PSR));
/****************************************************************************************/
// First entry reserved for untagged packets.
vlan_tab[vid].port_mask = port_mask | (0x1 << port_num);
vlan_tab[vid].drop = drop;
vlan_tab[vid].fid = fid;
vlan_tab[vid].has_prio = has_prio;
vlan_tab[vid].prio_override = prio_override;
vlan_tab[vid].prio = prio;
rtu_write_vlan_entry(vid, &vlan_tab[vid]);
}
/**
* \brief Creates or updates a filtering entry in the VLAN table.
* @param vid VLAN ID
* @return entry of VLAN table at given VID-address
*/
struct rtu_fd_vlan_table_entry *rtu_vlan_entry_get(int vid)
{
// First entry reserved for untagged packets.
if(vid > NUM_VLANS) return NULL;
return &vlan_tab[vid];
}
userspace/wrsw_rtud/rtu_fd.h
View file @ 3332a33a
......@@ -68,5 +68,9 @@ struct filtering_entry * rtu_fd_lookup_htab_entry(int index);
struct filtering_entry *rtu_fd_lookup_htab_entry(int index);
void rtu_fd_create_vlan_entry(int vid, uint32_t port_mask, uint8_t fid, uint8_t prio,
int has_prio,int prio_override, int drop);
struct rtu_fd_vlan_table_entry *rtu_vlan_entry_get(int vid);
#endif /*__WHITERABBIT_RTU_FD_H*/
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