def write_table(position, wr_cmp_data, wr_cmp_mask, wr_action_data):
'''
position: priority in table (0-31, 0 highest priority)
wr_cmp_data: headers to look for
wr_cmp_mask: what to mask against (1s are don't care)
wr_action_data: headers to be applied
wr_action_ctrl: numeric mask of fields to modify
'''
if type(wr_cmp_data) is not OFHeader:
raise Exception("Must be OFHeader type")
if type(wr_cmp_mask) is not OFHeader:
raise Exception("Must be OFHeader type")
if type(wr_action_data) is not OFHeader:
raise Exception("Must be OFHeader type")
if not (0 <= position < rd.OF_NUM_ENTRIES()):
raise Exception("Invalid position argument")
cmp_din = wr_cmp_mask.serialize()
cmp_mask = wr_cmp_data.serialize()
action_data = wr_action_data.serialize()
for i in xrange(9):
writeReg(rd.MATCHER_LUT_DATA_0_REG()+4*i, action_data[i])
writeReg(rd.MATCHER_TCAM_DATA_0_REG()+4*i, cmp_din[i])
writeReg(rd.MATCHER_TCAM_MASK_0_REG()+4*i, cmp_mask[i])
# Dummy write to write reg for tcam push
time.sleep(1)
writeReg(rd.MATCHER_WRITE_REG_REG(), position)
print [hex(x) for x in cmp_din]
def read_table(index):
writeReg(rd.MATCHER_READ_REG_REG(), index)
time.sleep(2)
vals, vals2, vals3= [], [], []
for j in xrange(9):
vals.append(readReg(rd.MATCHER_LUT_DATA_0_REG()+4*j))
vals2.append(readReg(rd.MATCHER_TCAM_DATA_0_REG()+4*j))
vals3.append(readReg(rd.MATCHER_TCAM_MASK_0_REG()+4*j))
print [hex(x) for x in vals]
print [hex(x) for x in vals2]
print [hex(x) for x in vals3]
tot = [vals, vals2, vals3]
for k in xrange(3):
mydata = struct.pack("I"*9, *tot[k])
of_h = OFHeader(mydata)
print [(x[0], of_h.pretty.get(x[0], -1)) for x in OF_STRUCT]
def regwrite(reg, val):
# if ifaceName.startswith('nf'):
hwReg.writeReg(reg, val)
def regwrite(reg, val):
hwReg.writeReg(reg, val)
def regwrite(reg, val):
# if ifaceName.startswith('nf'):
hwReg.writeReg(reg, val)
def regwrite(ifaceName, reg, val):
if ifaceName.startswith('nf2c'):
hwReg.writeReg(reg, val, ifaceName)
def regwrite(ifaceName, reg, val):
if ifaceName.startswith('nf2c'):
hwReg.writeReg(reg, val, ifaceName)